diff --git a/web/js/showText.js b/web/js/showText.js
index d70d68b..a16540e 100644
--- a/web/js/showText.js
+++ b/web/js/showText.js
@@ -26,7 +26,15 @@ app.registerExtension({
 				}
 
 				requestAnimationFrame(() => {
-					this.onResize?.(this.computeSize());
+					const sz = this.computeSize();
+					if (sz[0] < this.size[0]) {
+						sz[0] = this.size[0];
+					}
+					if (sz[1] < this.size[1]) {
+						sz[1] = this.size[1];
+					}
+					this.onResize?.(sz);
+					app.graph.setDirtyCanvas(true, false);
 				});
 			}