diff --git a/src/main/scala/li/cil/oc/util/FluidUtils.scala b/src/main/scala/li/cil/oc/util/FluidUtils.scala
index 4d18935f0..ba6945c26 100644
--- a/src/main/scala/li/cil/oc/util/FluidUtils.scala
+++ b/src/main/scala/li/cil/oc/util/FluidUtils.scala
@@ -62,8 +62,8 @@ object FluidUtils {
    * Lookup fluid taking into account flowing liquid blocks...
    */
   def lookupFluidForBlock(block: Block): Fluid = {
-    if (block == Blocks.flowing_lava) FluidRegistry.LAVA
-    else if (block == Blocks.flowing_water) FluidRegistry.WATER
+    if (block == Blocks.FLOWING_LAVA) FluidRegistry.LAVA
+    else if (block == Blocks.FLOWING_WATER) FluidRegistry.WATER
     else FluidRegistry.lookupFluidForBlock(block)
   }