diff --git a/src/main/scala/extracells/gridblock/Constants.java b/src/main/scala/extracells/gridblock/Constants.java
new file mode 100644
index 00000000..211c5c9d
--- /dev/null
+++ b/src/main/scala/extracells/gridblock/Constants.java
@@ -0,0 +1,9 @@
+package extracells.gridblock;
+
+import appeng.api.networking.GridFlags;
+
+import java.util.EnumSet;
+
+class Constants {
+	static final EnumSet<GridFlags> BASE_GRID_FLAGS = EnumSet.of(GridFlags.REQUIRE_CHANNEL);
+}
diff --git a/src/main/scala/extracells/gridblock/ECBaseGridBlock.java b/src/main/scala/extracells/gridblock/ECBaseGridBlock.java
index 6cdcc043..55a96dda 100644
--- a/src/main/scala/extracells/gridblock/ECBaseGridBlock.java
+++ b/src/main/scala/extracells/gridblock/ECBaseGridBlock.java
@@ -30,7 +30,7 @@ public final EnumSet<ForgeDirection> getConnectableSides() {
 
     @Override
     public EnumSet<GridFlags> getFlags() {
-        return EnumSet.of(GridFlags.REQUIRE_CHANNEL);
+        return Constants.BASE_GRID_FLAGS;
     }
 
     public IMEMonitor<IAEFluidStack> getFluidMonitor() {
diff --git a/src/main/scala/extracells/gridblock/ECFluidGridBlock.java b/src/main/scala/extracells/gridblock/ECFluidGridBlock.java
index 1a432424..db7bc057 100644
--- a/src/main/scala/extracells/gridblock/ECFluidGridBlock.java
+++ b/src/main/scala/extracells/gridblock/ECFluidGridBlock.java
@@ -34,7 +34,7 @@ public final EnumSet<ForgeDirection> getConnectableSides() {
 
     @Override
     public EnumSet<GridFlags> getFlags() {
-        return EnumSet.of(GridFlags.REQUIRE_CHANNEL);
+        return Constants.BASE_GRID_FLAGS;
     }
 
     @Override