diff --git a/pkgs/development/libraries/mvapich/default.nix b/pkgs/development/libraries/mvapich/default.nix
index 71c6ce38f95..704a28dbb8c 100644
--- a/pkgs/development/libraries/mvapich/default.nix
+++ b/pkgs/development/libraries/mvapich/default.nix
@@ -56,9 +56,9 @@ stdenv.mkDerivation rec {
     done
 
     # Ensure the default compilers are the ones mvapich was built with
-    substituteInPlace $out/bin/mpicc --replace 'CC="gcc"' 'CC=${stdenv.cc}/bin/gcc'
-    substituteInPlace $out/bin/mpicxx --replace 'CXX="g++"' 'CC=${stdenv.cc}/bin/g++'
-    substituteInPlace $out/bin/mpifort --replace 'FC="gfortran"' 'CC=${gfortran}/bin/gfortran'
+    substituteInPlace $out/bin/mpicc --replace 'CC="gcc"' 'CC=${stdenv.cc}/bin/cc'
+    substituteInPlace $out/bin/mpicxx --replace 'CXX="g++"' 'CXX=${stdenv.cc}/bin/c++'
+    substituteInPlace $out/bin/mpifort --replace 'FC="gfortran"' 'FC=${gfortran}/bin/gfortran'
   '';
 
   enableParallelBuilding = true;