diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7196c8036..7294f103e 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,10 @@
 
 ### 1.4.11
 - Removed debug log configuration option, as it's no longer needed (raoulvdberge)
-- Fixed bug where storages that are removed remain visible (raoulvdberge)
-- Added support for External Storage on Interfaces and other Refined Storage blocks, so you can keep items in stock easier (raoulvdberge)
 - Removed "autocraft on redstone signal" option in the Crafter, use an External Storage in combination with an Interface with the Crafting Upgrade instead (raoulvdberge)
+- Fixed bug where storages that are removed remain visible (raoulvdberge)
+- Fixed bug where the GUI didn't close when a block is broken, causing a dupe bug with the Portable Grid (raoulvdberge)
+- Added support for External Storage on Interfaces and other Refined Storage blocks, so you can keep items in stock easier (raoulvdberge)
 
 ### 1.4.10
 - Improved performance of network scanning (raoulvdberge)
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/block/BlockBase.java b/src/main/java/com/raoulvdberge/refinedstorage/block/BlockBase.java
index dd07f4f19..51ce09e8e 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/block/BlockBase.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/block/BlockBase.java
@@ -5,6 +5,7 @@ import com.raoulvdberge.refinedstorage.RSUtils;
 import com.raoulvdberge.refinedstorage.api.network.node.INetworkNode;
 import com.raoulvdberge.refinedstorage.api.network.node.INetworkNodeProxy;
 import com.raoulvdberge.refinedstorage.api.network.security.Permission;
+import com.raoulvdberge.refinedstorage.container.ContainerBase;
 import com.raoulvdberge.refinedstorage.integration.mcmp.IntegrationMCMP;
 import com.raoulvdberge.refinedstorage.integration.mcmp.RSMCMPAddon;
 import com.raoulvdberge.refinedstorage.item.ItemBlockBase;
@@ -114,6 +115,12 @@ public abstract class BlockBase extends Block {
     public void breakBlock(World world, BlockPos pos, IBlockState state) {
         dropContents(world, pos);
         removeTile(world, pos, state);
+
+        for (EntityPlayer player : world.playerEntities) {
+            if (player.openContainer instanceof ContainerBase && ((ContainerBase) player.openContainer).getTile() != null && ((ContainerBase) player.openContainer).getTile().getPos().equals(pos)) {
+                player.closeScreen();
+            }
+        }
     }
 
     protected void removeTile(World world, BlockPos pos, IBlockState state) {