diff --git a/src/main/java/net/minecraftforge/fluids/BlockFluidBase.java b/src/main/java/net/minecraftforge/fluids/BlockFluidBase.java
index fa338ddc9..b6684ae9f 100644
--- a/src/main/java/net/minecraftforge/fluids/BlockFluidBase.java
+++ b/src/main/java/net/minecraftforge/fluids/BlockFluidBase.java
@@ -435,6 +435,13 @@ public abstract class BlockFluidBase extends Block implements IFluidBlock
         return this.renderLayer;
     }
 
+    @Override
+    @Nonnull
+    public BlockFaceShape getBlockFaceShape(@Nonnull IBlockAccess worldIn, @Nonnull IBlockState state, @Nonnull BlockPos pos, @Nonnull EnumFacing face)
+    {
+        return BlockFaceShape.UNDEFINED;
+    }
+
     @Override
     public boolean shouldSideBeRendered(@Nonnull IBlockState state, @Nonnull IBlockAccess world, @Nonnull BlockPos pos, @Nonnull EnumFacing side)
     {