diff --git a/Makefile b/Makefile
index 412f36e10..719fb30e5 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ ifndef CXXFLAGS
 endif
 
 ifeq ($(HAVE_RULES),yes)
-    CXXFLAGS += -DHAVE_RULES $(shell pcre-config --cflags)
+    CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL $(shell pcre-config --cflags)
     ifdef LIBS
         LIBS += $(shell pcre-config --libs)
     else
diff --git a/tools/dmake.cpp b/tools/dmake.cpp
index 2d1b24a5a..32ddbe28b 100644
--- a/tools/dmake.cpp
+++ b/tools/dmake.cpp
@@ -290,7 +290,7 @@ int main(int argc, char **argv)
     }
 
     fout << "ifeq ($(HAVE_RULES),yes)\n"
-         << "    CXXFLAGS += -DHAVE_RULES $(shell pcre-config --cflags)\n"
+         << "    CXXFLAGS += -DHAVE_RULES -DTIXML_USE_STL $(shell pcre-config --cflags)\n"
          << "    ifdef LIBS\n"
          << "        LIBS += $(shell pcre-config --libs)\n"
          << "    else\n"