diff --git a/src/mod/languages/mod_mono/Makefile b/src/mod/languages/mod_mono/Makefile
index 2160122456..ef598bd601 100644
--- a/src/mod/languages/mod_mono/Makefile
+++ b/src/mod/languages/mod_mono/Makefile
@@ -36,5 +36,5 @@ $(GLIB_DIR):
 $(MONO_DIR):
 	$(GETLIB) $(MONO).tar.gz
 	export PATH=$(PATH):$(PREFIX)/bin/
-	cd $(MONO_DIR) && ./configure $(DEFAULT_ARGS) --with-pic --with-gc=boehm --with-preview=yes --without-sigaltstack 
+	cd $(MONO_DIR) && PKG_CONFIG_PATH=$(GLIB_DIR) ./configure $(DEFAULT_ARGS) --with-pic --with-gc=boehm --with-preview=yes --without-sigaltstack 
 	cd $(MONO_DIR) && $(MAKE) install