diff --git a/Nodes/Rasterix.py b/Nodes/Rasterix.py
index 298cf2d..d4eedd6 100644
--- a/Nodes/Rasterix.py
+++ b/Nodes/Rasterix.py
@@ -188,6 +188,7 @@ class PrimereRasterix:
         if use_ai_detection_bypasser:
             pil_img = isgen_detect_ext_full.bypass_ai_detector(image=pil_img, freq_strength=adb_freq_strength, variance_strength=adb_variance_strength, unsharp_percent=adb_unsharp_percent, jpeg_cycles=adb_jpeg_cycles)
 
+        histogram.rasterix_hist_cache_store(pil_img_input, pil_img, precision)
         if show_histogram:
             histogram.rasterix_hist_cache_store(pil_img_input, pil_img, precision)
             active_hist = histogram.rasterix_hist_render_selected(pil_img_input, pil_img, precision, histogram_source, histogram_channel, histogram_style,)
@@ -762,6 +763,8 @@ class PrimereHistogram:
         pil_img = utility.tensor_to_image(image)
         pil_img_input = pil_img.copy()
 
+        histogram.rasterix_hist_cache_store(pil_img_input, pil_img, precision)
+
         if show_histogram:
             histogram.rasterix_hist_cache_store(pil_img_input, pil_img, precision)
             active_hist = histogram.rasterix_hist_render_selected(pil_img_input, pil_img, precision, histogram_source, histogram_channel, histogram_style,)
diff --git a/components/images/histogram.py b/components/images/histogram.py
index 8de563e..ab382ea 100644
--- a/components/images/histogram.py
+++ b/components/images/histogram.py
@@ -6,6 +6,7 @@ import json
 from ..tree import PRIMERE_ROOT
 from .. import utility
 import os
+from PIL import Image
 
 # ─────────────────────────────────────────────────────────────────────────────
 # Channel definitions
@@ -553,7 +554,7 @@ def rasterix_hist_render_selected(pil_input, pil_output, precision, histogram_so
     source_prefix = "input" if histogram_source else "output"
     target_file = os.path.join(hist_dir, f'{source_prefix}_histogram_{histogram_channel.lower()}_{histogram_style}.jpg')
     if os.path.isfile(target_file):
-        return utility.ImageLoaderFromPath(target_file)[0]
+        return Image.open(target_file).convert("RGB")
     source_image = pil_input if histogram_source else pil_output
     rendered = rasterix_histogram_render(source_image, histogram_channel, histogram_style, precision)
     rendered.save(target_file, quality=90)
diff --git a/components/primereserver.py b/components/primereserver.py
index 2c297b9..2020057 100644
--- a/components/primereserver.py
+++ b/components/primereserver.py
@@ -578,6 +578,7 @@ async def primere_rasterix_histogram_generate(request):
     histogram_channel = post.get('histogram_channel', 'RGB')
     histogram_style = post.get('histogram_style', 'bars')
     precision = bool(post.get('precision', False))
+    force = bool(post.get('force', False))
 
     hist_dir = os.path.join(PRIMERE_ROOT, 'front_end', 'images')
     input_cache = os.path.join(hist_dir, "rasterix_hist_cache_input.png")
@@ -590,7 +591,7 @@ async def primere_rasterix_histogram_generate(request):
     source_img = Image.open(source_path).convert("RGB")
     source_prefix = "input" if histogram_source else "output"
     target_file = os.path.join(hist_dir, f'{source_prefix}_histogram_{histogram_channel.lower()}_{histogram_style}.jpg')
-    if not os.path.isfile(target_file):
+    if force or not os.path.isfile(target_file):
         rendered = histogram.rasterix_histogram_render(source_img, histogram_channel, histogram_style, precision)
         rendered.save(target_file, quality=90)
     return web.json_response({"success": True, "filename": os.path.basename(target_file)})
\ No newline at end of file
diff --git a/front_end/primere_rasterix.js b/front_end/primere_rasterix.js
index a8cf2f8..bac6e6a 100644
--- a/front_end/primere_rasterix.js
+++ b/front_end/primere_rasterix.js
@@ -147,6 +147,27 @@ app.registerExtension({
                 img.src = url;
             }
 
+            function histogramFileUrl(showInput, channel, style) {
+                const prefix = showInput ? "input" : "output";
+                const ch = (channel || "RGB").toLowerCase();
+                const st = style || "bars";
+                return `/extensions/ComfyUI_Primere_Nodes/images/${prefix}_histogram_${ch}_${st}.jpg`;
+            }
+
+            async function histogramFileExists(showInput, channel, style) {
+                const url = `${histogramFileUrl(showInput, channel, style)}?t=${Date.now()}`;
+                try {
+                    const headResp = await fetch(url, { method: "HEAD" });
+                    if (headResp.ok) return true;
+                } catch (_) {}
+                try {
+                    const getResp = await fetch(url, { method: "GET" });
+                    return getResp.ok;
+                } catch (_) {
+                    return false;
+                }
+            }
+
             async function generateHistogram(showInput, channel, style) {
                 try {
                     await fetch('/primere_rasterix_histogram_generate', {
@@ -172,6 +193,15 @@ app.registerExtension({
                 }, delayMs);
             }
 
+            async function requestHistogramSwitch(showInput, channel, style) {
+                if (await histogramFileExists(showInput, channel, style)) {
+                    if (histogramDebounceTimer) clearTimeout(histogramDebounceTimer);
+                    updateHistogramDisplay(showInput, channel, style);
+                    return;
+                }
+                scheduleHistogramGenerate(showInput, channel, style, 1000);
+            }
+
             function currentHistState() {
                 return {
                     enabled:   fw("show_histogram")?.value     ?? false,
@@ -187,6 +217,10 @@ app.registerExtension({
                     showHistogramOffImage();
                     return;
                 }
+                if (await histogramFileExists(showInput, channel, style)) {
+                    updateHistogramDisplay(showInput, channel, style);
+                    return;
+                }
                 await generateHistogram(showInput, channel, style);
                 updateHistogramDisplay(showInput, channel, style);
             };
@@ -314,17 +348,17 @@ app.registerExtension({
 
                 } else if (name === "histogram_source") {
                     const { enabled, channel, style } = currentHistState();
-                    if (enabled) scheduleHistogramGenerate(value, channel, style);
+                    if (enabled) requestHistogramSwitch(value, channel, style);
                 } else if (name === "histogram_channel") {
                     const { enabled, showInput, style } = currentHistState();
-                    if (enabled) scheduleHistogramGenerate(showInput, value, style);
+                    if (enabled) requestHistogramSwitch(showInput, value, style);
                 } else if (name === "histogram_style") {
                     const { enabled, showInput, channel } = currentHistState();
-                    if (enabled) scheduleHistogramGenerate(showInput, channel, value);
+                    if (enabled) requestHistogramSwitch(showInput, channel, value);
                 } else if (name === "show_histogram") {
                     const { showInput, channel, style } = currentHistState();
                     if (value) {
-                        scheduleHistogramGenerate(showInput, channel, style, 50);
+                        requestHistogramSwitch(showInput, channel, style);
                     } else {
                         if (histogramDebounceTimer) clearTimeout(histogramDebounceTimer);
                         showHistogramOffImage();