diff --git a/src/Compiler/Hoopl/Passes/Dominator.hs b/src/Compiler/Hoopl/Passes/Dominator.hs
index 1926cb1b504d132407e458eb261051bee9a3f2b0..7cd8b7e51a0871d69ec42f7cf89442a62bac2284 100644
--- a/src/Compiler/Hoopl/Passes/Dominator.hs
+++ b/src/Compiler/Hoopl/Passes/Dominator.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE CPP, GADTs #-}
 {-# OPTIONS_GHC -Wall -fno-warn-name-shadowing #-}
-#if __GLASGOW_HASKELL__ >= 701
+#if __GLASGOW_HASKELL__ >= 723
 {-# LANGUAGE Safe #-}
 #endif