diff --git a/src/com/android/launcher3/util/FocusLogic.java b/src/com/android/launcher3/util/FocusLogic.java
index b80e94d..b793f54 100644
--- a/src/com/android/launcher3/util/FocusLogic.java
+++ b/src/com/android/launcher3/util/FocusLogic.java
@@ -177,7 +177,10 @@
             }
             int cx = ((CellLayout.LayoutParams) cell.getLayoutParams()).cellX;
             int cy = ((CellLayout.LayoutParams) cell.getLayoutParams()).cellY;
-            matrix[invert ? (m - cx - 1) : cx][cy] = i;
+            int x = invert ? (m - cx - 1) : cx;
+            if (x < m && cy < n) { // check if view fits into matrix, else skip
+                matrix[x][cy] = i;
+            }
         }
         if (DEBUG) {
             printMatrix(matrix);