diff --git a/pkgs/development/compilers/graalvm/community-edition/buildGraalvm.nix b/pkgs/development/compilers/graalvm/community-edition/buildGraalvm.nix
index d360da5dfa6c3..4459389fca537 100644
--- a/pkgs/development/compilers/graalvm/community-edition/buildGraalvm.nix
+++ b/pkgs/development/compilers/graalvm/community-edition/buildGraalvm.nix
@@ -120,27 +120,39 @@ let
       xorg.libXtst
     ];
 
-    postInstall = ''
-      # jni.h expects jni_md.h to be in the header search path.
-      ln -sf $out/include/linux/*_md.h $out/include/
-
-      mkdir -p $out/share
-      # move files in $out like LICENSE.txt
-      find $out/ -maxdepth 1 -type f -exec mv {} $out/share \;
-      # symbolic link to $out/lib/svm/LICENSE_NATIVEIMAGE.txt
-      rm -f $out/LICENSE_NATIVEIMAGE.txt
-
-      # copy-paste openjdk's preFixup
-      # Set JAVA_HOME automatically.
-      mkdir -p $out/nix-support
-      cat > $out/nix-support/setup-hook << EOF
-      if [ -z "\''${JAVA_HOME-}" ]; then export JAVA_HOME=$out; fi
-      EOF
-
-      wrapProgram $out/bin/native-image \
-        --prefix PATH : ${binPath} \
-        ${toString (map (l: "--add-flags '-H:CLibraryPath=${l}/lib'") cLibs)}
-    '';
+    postInstall =
+      let
+        preservedNixVariables = [
+          "-ENIX_BINTOOLS"
+          "-ENIX_CC"
+          "-ENIX_CFLAGS_COMPILE"
+          "-ENIX_LDFLAGS"
+          "-ENIX_CC_WRAPPER_TARGET_HOST_${stdenv.cc.suffixSalt}"
+          "-ENIX_BINTOOLS_WRAPPER_TARGET_HOST_${stdenv.cc.suffixSalt}"
+        ];
+        preservedNixVariablesAsFlags = (map (f: "--add-flags '${f}'") preservedNixVariables);
+      in
+      ''
+        # jni.h expects jni_md.h to be in the header search path.
+        ln -sf $out/include/linux/*_md.h $out/include/
+
+        mkdir -p $out/share
+        # move files in $out like LICENSE.txt
+        find $out/ -maxdepth 1 -type f -exec mv {} $out/share \;
+        # symbolic link to $out/lib/svm/LICENSE_NATIVEIMAGE.txt
+        rm -f $out/LICENSE_NATIVEIMAGE.txt
+
+        # copy-paste openjdk's preFixup
+        # Set JAVA_HOME automatically.
+        mkdir -p $out/nix-support
+        cat > $out/nix-support/setup-hook << EOF
+        if [ -z "\''${JAVA_HOME-}" ]; then export JAVA_HOME=$out; fi
+        EOF
+
+        wrapProgram $out/bin/native-image \
+          --prefix PATH : ${binPath} \
+          ${toString ((map (l: "--add-flags '-H:CLibraryPath=${l}/lib'") cLibs) ++ preservedNixVariablesAsFlags)}
+      '';
 
     preFixup = lib.optionalString (stdenv.hostPlatform.isLinux) ''
       for bin in $(find "$out/bin" -executable -type f); do