diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 028400aeb95..fc03c56f80f 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -924,6 +924,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   regexTDFA = callPackage ../development/libraries/haskell/regex-tdfa {};
 
   regexPCRE = callPackage ../development/libraries/haskell/regex-pcre {};
+  regexPcre = self.regexPCRE;
 
   regexpr = callPackage ../development/libraries/haskell/regexpr {};