diff --git a/common/web/gesture-recognizer/src/gestureRecognizer.ts b/common/web/gesture-recognizer/src/gestureRecognizer.ts
index 582a5ddd86..4020adc170 100644
--- a/common/web/gesture-recognizer/src/gestureRecognizer.ts
+++ b/common/web/gesture-recognizer/src/gestureRecognizer.ts
@@ -30,9 +30,9 @@ namespace com.keyman.osk {
       processingConfig.inputStartBounds = processingConfig.inputStartBounds ?? processingConfig.targetRoot;
       processingConfig.maxRoamingBounds = processingConfig.maxRoamingBounds ?? processingConfig.targetRoot;
       processingConfig.safeBounds       = processingConfig.safeBounds       ?? new ViewportZoneSource(2);
-      processingConfig.safeBoundPadding = processingConfig.safeBoundPadding ?? 3;
+      processingConfig.safeBoundPadding = processingConfig.safeBoundPadding ?? [3];
 
-      processingConfig.paddedSafeBounds = new PaddedZoneSource(processingConfig.safeBounds, processingConfig.safeBoundPadding);
+      processingConfig.paddedSafeBounds = new PaddedZoneSource(processingConfig.safeBounds, ...processingConfig.safeBoundPadding);
 
       return processingConfig;
     }
diff --git a/common/web/gesture-recognizer/src/gestureRecognizerConfiguration.ts b/common/web/gesture-recognizer/src/gestureRecognizerConfiguration.ts
index 7ac5f8428d..13785e8882 100644
--- a/common/web/gesture-recognizer/src/gestureRecognizerConfiguration.ts
+++ b/common/web/gesture-recognizer/src/gestureRecognizerConfiguration.ts
@@ -63,5 +63,7 @@ namespace com.keyman.osk {
      * coordinate to the `safeBounds`.
      */
     readonly paddedSafeBounds: RecognitionZoneSource;
+
+    readonly safeBoundPadding: number[];
   }
 }
\ No newline at end of file