diff --git a/pkgs/development/compilers/ghc/7.6.3.nix b/pkgs/development/compilers/ghc/7.6.3.nix
index 69ce79496c9..fb711f20251 100644
--- a/pkgs/development/compilers/ghc/7.6.3.nix
+++ b/pkgs/development/compilers/ghc/7.6.3.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
   '';
 
-  configureFlags = "--with-gcc='${stdenv.gcc}/bin/gcc'";
+  configureFlags = "--with-gcc=${stdenv.gcc}/bin/gcc";
 
   # required, because otherwise all symbols from HSffi.o are stripped, and
   # that in turn causes GHCi to abort