diff --git a/pkgs/intel-oneapi/patch_intel.nix b/pkgs/intel-oneapi/patch_intel.nix
index 8428d3f3..be08f6cf 100644
--- a/pkgs/intel-oneapi/patch_intel.nix
+++ b/pkgs/intel-oneapi/patch_intel.nix
@@ -49,25 +49,14 @@ let
     in (wrapCCWith {
       inherit cc;
       extraBuildCommands = ''
+        echo "-isystem ${cc}/include" >> $out/nix-support/cc-cflags
+        echo "-isystem ${cc}/include/intel64" >> $out/nix-support/cc-cflags
+
         echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
         echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
         echo "-L${cc}/lib" >> $out/nix-support/cc-ldflags
 
-        # echo "--gcc-toolchain=${gcc.cc}" >> $out/nix-support/libcxx-cxxflags
-        echo "--gcc-toolchain=${gcc.cc}" >> $out/nix-support/cc-cflags
-
-        # For some reason, If we don't resolve the realpath things go wrong
-        for stddef in ${cc}/lib/clang/*/include/stddef.h ; do
-          dir=$(dirname $(realpath "$stddef"))
-          echo "-isystem $dir" >> $out/nix-support/cc-cflags
-        done
-
-        echo "-isystem ${cc}/include" >> $out/nix-support/cc-cflags
-        echo "-isystem ${cc}/include/intel64" >> $out/nix-support/cc-cflags
-
-        for dir in ${gcc.cc}/lib/gcc/${targetConfig}/*/include; do
-          echo "-isystem $dir" >> $out/nix-support/cc-cflags
-        done
+        echo "--gcc-toolchain=${gcc.cc}" >> $out/nix-support/libcxx-cxxflags
 
         for dir in ${gcc.cc}/include/c++/*; do
           echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
@@ -80,8 +69,16 @@ let
         # this ugly hack. See https://jungle.bsc.es/git/rarias/bscpkgs/issues/9
         echo 'path_backup="${gcc.cc}/bin:$path_backup"' >> $out/nix-support/cc-wrapper-hook
 
+
         # Disable hardening by default
         echo "" > $out/nix-support/add-hardening.sh
+
+        # For some reason, If we don't resolve the realpath things go wrong
+        for stddef in ${cc}/lib/clang/*/include/stddef.h ; do
+          dir=$(dirname $(realpath "$stddef"))
+          echo "-isystem $dir" >> $out/nix-support/cc-cflags
+        done
+
       '' + extraBuildCommands;
     } // (removeAttrs args ["cc" "extraBuildCommands" "extraInstall"])
     ).overrideAttrs (old: {