diff --git a/pkgs/development/libraries/libgbinder/default.nix b/pkgs/development/libraries/libgbinder/default.nix
index 69166ab33feb..054dc0847051 100644
--- a/pkgs/development/libraries/libgbinder/default.nix
+++ b/pkgs/development/libraries/libgbinder/default.nix
@@ -22,6 +22,13 @@ stdenv.mkDerivation rec {
     libglibutil
   ];
 
+  postPatch = ''
+    # Fix pkg-config and ranlib names for cross-compilation
+    substituteInPlace Makefile \
+      --replace "pkg-config" "$PKG_CONFIG" \
+      --replace "ranlib" "$RANLIB"
+  '';
+
   makeFlags = [
     "LIBDIR=$(out)/lib"
     "INSTALL_INCLUDE_DIR=$(dev)/include/gbinder"
diff --git a/pkgs/development/libraries/libglibutil/default.nix b/pkgs/development/libraries/libglibutil/default.nix
index 730ebf270446..50ee2d289fcd 100644
--- a/pkgs/development/libraries/libglibutil/default.nix
+++ b/pkgs/development/libraries/libglibutil/default.nix
@@ -21,6 +21,11 @@ stdenv.mkDerivation rec {
     glib
   ];
 
+  postPatch = ''
+    # Fix pkg-config name for cross-compilation
+    substituteInPlace Makefile --replace "pkg-config" "$PKG_CONFIG"
+  '';
+
   makeFlags = [
     "LIBDIR=$(out)/lib"
     "INSTALL_INCLUDE_DIR=$(dev)/include/gutil"
diff --git a/pkgs/development/python-modules/gbinder-python/default.nix b/pkgs/development/python-modules/gbinder-python/default.nix
index e575c51e315f..9d9b906e2443 100644
--- a/pkgs/development/python-modules/gbinder-python/default.nix
+++ b/pkgs/development/python-modules/gbinder-python/default.nix
@@ -26,6 +26,11 @@ buildPythonPackage rec {
     pkg-config
   ];
 
+  postPatch = ''
+    # Fix pkg-config name for cross-compilation
+    substituteInPlace setup.py --replace "pkg-config" "$PKG_CONFIG"
+  '';
+
   setupPyGlobalFlags = [ "--cython" ];
 
   meta = with lib; {