diff --git a/packages/cli/src/ui/AppContainer.tsx b/packages/cli/src/ui/AppContainer.tsx
index 84b51e5f2de..89edd5308ae 100644
--- a/packages/cli/src/ui/AppContainer.tsx
+++ b/packages/cli/src/ui/AppContainer.tsx
@@ -1137,11 +1137,9 @@ Logging in with Google... Restarting Gemini CLI to continue.
   useLayoutEffect(() => {
     if (mainControlsRef.current) {
       const fullFooterMeasurement = measureElement(mainControlsRef.current);
-      if (
-        fullFooterMeasurement.height > 0 &&
-        fullFooterMeasurement.height !== controlsHeight
-      ) {
-        setControlsHeight(fullFooterMeasurement.height);
+      const roundedHeight = Math.round(fullFooterMeasurement.height);
+      if (roundedHeight > 0 && roundedHeight !== controlsHeight) {
+        setControlsHeight(roundedHeight);
       }
     }
   }, [buffer, terminalWidth, terminalHeight, controlsHeight]);
diff --git a/packages/cli/src/ui/components/shared/MaxSizedBox.tsx b/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
index 85ad4509ff6..fef1e11bd5e 100644
--- a/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
+++ b/packages/cli/src/ui/components/shared/MaxSizedBox.tsx
@@ -52,7 +52,7 @@ export const MaxSizedBox: React.FC<MaxSizedBoxProps> = ({
         const observer = new ResizeObserver((entries) => {
           const entry = entries[0];
           if (entry) {
-            setContentHeight(entry.contentRect.height);
+            setContentHeight(Math.round(entry.contentRect.height));
           }
         });
         observer.observe(node);