diff --git a/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts b/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
index 2ade8007..35bd27bb 100644
--- a/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
+++ b/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
@@ -360,6 +360,9 @@ class CursorBlinkStateManager {
   }
 
   public resume(terminal: Terminal): void {
+    // Clear out any existing timers just in case
+    this.pause();
+
     this._animationTimeRestarted = undefined;
     this._restartInterval();
     this.restartBlinkAnimation(terminal);
diff --git a/src/browser/renderer/CursorRenderLayer.ts b/src/browser/renderer/CursorRenderLayer.ts
index 8b25667b..dc58f2f7 100644
--- a/src/browser/renderer/CursorRenderLayer.ts
+++ b/src/browser/renderer/CursorRenderLayer.ts
@@ -364,6 +364,9 @@ class CursorBlinkStateManager {
   }
 
   public resume(): void {
+    // Clear out any existing timers just in case
+    this.pause();
+
     this._animationTimeRestarted = undefined;
     this._restartInterval();
     this.restartBlinkAnimation();