diff --git a/qmake/generators/win32/mingw_make.cpp b/qmake/generators/win32/mingw_make.cpp
index ca6b199..5eb4b8b 100644
--- a/qmake/generators/win32/mingw_make.cpp
+++ b/qmake/generators/win32/mingw_make.cpp
@@ -417,7 +417,7 @@ void MingwMakefileGenerator::writeRcFilePart(QTextStream &t)
     if (!rc_file.isEmpty()) {
         t << escapeDependencyPath(var("RES_FILE")) << ": " << rc_file << "\n\t"
           << var("QMAKE_RC") << " -i " << rc_file << " -o " << var("RES_FILE") 
-          << " --include-dir=" << incPathStr << endl << endl;
+          << " --include-dir=" << incPathStr << " $(DEFINES)" << endl << endl;
     }
 }