diff --git a/XOrg/lib/gtk-1.2.10/Makefile b/XOrg/lib/gtk-1.2.10/Makefile
index a1a1820a4..56796dc74 100644
--- a/XOrg/lib/gtk-1.2.10/Makefile
+++ b/XOrg/lib/gtk-1.2.10/Makefile
@@ -55,6 +55,10 @@ endef
 
 define Build/InstallDev
 	$(CP) $(PKG_INSTALL_DIR)/* $(STAGING_DIR)/
+	$(SED) "s,libdirs=-L.*,libdirs=,g" $(STAGING_DIR)/usr/bin/gtk-config
+	$(SED) "s,"prefix\=.*",prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk,gdk}*.pc
+	$(SED) "s,"exec_prefix\=.*",exec_prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk+,gdk}.pc
+	$(SED) "s,"libdir\=\'/usr/lib\'",libdir='$(STAGING_DIR)/usr/lib\'," $(STAGING_DIR)/usr/lib/lib{gtk,gdk}.la
 endef
 
 $(eval $(call BuildPackage,gtk-1.2.10))
diff --git a/XOrg/lib/gtk-2.8.20/Makefile b/XOrg/lib/gtk-2.8.20/Makefile
index ebe1dfa8b..972c563bb 100644
--- a/XOrg/lib/gtk-2.8.20/Makefile
+++ b/XOrg/lib/gtk-2.8.20/Makefile
@@ -52,9 +52,9 @@ define Build/InstallDev
 	$(CP) -r $(PKG_INSTALL_DIR)/usr/include/* $(STAGING_DIR)/include/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/*.{la,so.*} $(STAGING_DIR)/usr/lib/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/* $(STAGING_DIR)/usr/lib/pkgconfig/
-	$(SED) "s,"prefix\=.*",prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk,gdk}*.pc
-	$(SED) "s,"exec_prefix\=.*",exec_prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk,gdk}*.pc
-	$(SED) "s,"libdir\=\'/usr/lib\'",libdir='$(STAGING_DIR)/usr/lib\'," $(STAGING_DIR)/usr/lib/lib{gtk,gdk}*.la
+	$(SED) "s,"prefix\=.*",prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk,gdk}*-2.0.pc
+	$(SED) "s,"exec_prefix\=.*",exec_prefix=$(STAGING_DIR)/usr," $(STAGING_DIR)/usr/lib/pkgconfig/{gtk,gdk}*-2.0.pc
+	$(SED) "s,"libdir\=\'/usr/lib\'",libdir='$(STAGING_DIR)/usr/lib\'," $(STAGING_DIR)/usr/lib/lib{gtk,gdk}*-2.0.la
 endef
 
 $(eval $(call BuildPackage,gtk-2.8.20))