diff --git a/editor/plugins/canvas_item_editor_plugin.cpp b/editor/plugins/canvas_item_editor_plugin.cpp
index c06fbe7ad3f..9ae87198f42 100644
--- a/editor/plugins/canvas_item_editor_plugin.cpp
+++ b/editor/plugins/canvas_item_editor_plugin.cpp
@@ -2474,9 +2474,10 @@ bool CanvasItemEditor::_gui_input_select(const Ref<InputEvent> &p_event) {
 }
 
 bool CanvasItemEditor::_gui_input_ruler_tool(const Ref<InputEvent> &p_event) {
-
-	if (tool != TOOL_RULER)
+	if (tool != TOOL_RULER) {
+		ruler_tool_active = false;
 		return false;
+	}
 
 	Ref<InputEventMouseButton> b = p_event;
 	Ref<InputEventMouseMotion> m = p_event;