diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 010d15b..838d0ec 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -29,7 +29,8 @@
     <dimen name="dynamic_grid_cell_layout_padding">5.5dp</dimen>
     <dimen name="dynamic_grid_cell_padding_x">8dp</dimen>
 
-    <dimen name="two_panel_home_side_padding">18dp</dimen>
+    <dimen name="two_panels_home_side_padding_landscape">36dp</dimen>
+    <dimen name="two_panels_home_side_padding_portrait">9dp</dimen>
 
     <!-- Hotseat -->
     <dimen name="dynamic_grid_hotseat_top_padding">8dp</dimen>
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 740bf5a..a2487e4 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -302,8 +302,10 @@
                 : res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding);
 
         if (isTwoPanels) {
-            cellLayoutPaddingLeftRightPx =
-                    res.getDimensionPixelSize(R.dimen.two_panel_home_side_padding);
+            cellLayoutPaddingLeftRightPx = res.getDimensionPixelSize(
+                    isLandscape
+                            ? R.dimen.two_panels_home_side_padding_landscape
+                            : R.dimen.two_panels_home_side_padding_portrait);
             cellLayoutBottomPaddingPx = 0;
         } else if (isLandscape) {
             cellLayoutPaddingLeftRightPx = 0;
@@ -752,8 +754,14 @@
         // Since we are only concerned with the overall padding, layout direction does
         // not matter.
         Point padding = getTotalWorkspacePadding();
-        result.x = calculateCellWidth(availableWidthPx - padding.x
-                - cellLayoutPaddingLeftRightPx * 2, cellLayoutBorderSpacingPx, inv.numColumns);
+        // availableWidthPx is the screen width of the device. In 2 panels mode, each panel should
+        // only have half of the screen width. In addition, there is only cellLayoutPadding in the
+        // left side of the left panel and the right side of the right panel. There is no
+        // cellLayoutPadding in the middle.
+        int screenWidthPx = isTwoPanels
+                ? availableWidthPx / 2 - padding.x - cellLayoutPaddingLeftRightPx
+                : availableWidthPx - padding.x - cellLayoutPaddingLeftRightPx * 2;
+        result.x = calculateCellWidth(screenWidthPx, cellLayoutBorderSpacingPx, inv.numColumns);
         result.y = calculateCellHeight(availableHeightPx - padding.y
                 - cellLayoutBottomPaddingPx, cellLayoutBorderSpacingPx, inv.numRows);
         return result;
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 5200456..9a8b80d 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -327,8 +327,6 @@
 
         int paddingLeftRight = grid.cellLayoutPaddingLeftRightPx;
         int paddingBottom = grid.cellLayoutBottomPaddingPx;
-        int twoPanelLandscapeSidePadding = paddingLeftRight * 2;
-        int twoPanelPortraitSidePadding = paddingLeftRight / 2;
 
         int panelCount = getPanelCount();
         for (int i = mWorkspaceScreens.size() - 1; i >= 0; i--) {
@@ -336,13 +334,11 @@
             int paddingRight = paddingLeftRight;
             if (panelCount > 1) {
                 if (i % panelCount == 0) { // left side panel
-                    paddingLeft = grid.isLandscape ? twoPanelLandscapeSidePadding
-                            : twoPanelPortraitSidePadding;
+                    paddingLeft = paddingLeftRight;
                     paddingRight = 0;
                 } else if (i % panelCount == panelCount - 1) { // right side panel
                     paddingLeft = 0;
-                    paddingRight = grid.isLandscape ? twoPanelLandscapeSidePadding
-                            : twoPanelPortraitSidePadding;
+                    paddingRight = paddingLeftRight;
                 } else { // middle panel
                     paddingLeft = 0;
                     paddingRight = 0;