diff --git a/ghc/utils/hstags/hstags.prl b/ghc/utils/hstags/hstags.prl
index 2b8370059b299c58d5c5b5c93eef1bed1f809fed..70a98c72a6ad65e75e58edb4136a98d5805b752d 100644
--- a/ghc/utils/hstags/hstags.prl
+++ b/ghc/utils/hstags/hstags.prl
@@ -56,7 +56,7 @@ while ($ARGV[0] =~ /^-./) {
     push(@Files, $_);
 }
 
-$ghc_version_info = ${ProjectVersionInt}
+$ghc_version_info = ${ProjectVersionInt};
 $DoHsCpp = ( ! $DoCpp ) ? 'cat'
 			: "$HsCpp -D__HASKELL1__=2 -D__GLASGOW_HASKELL__=$ghc_version_info $Cpp_opts";