diff --git a/source/src/Makefile b/source/src/Makefile
index 07de5c2b..ca23600c 100644
--- a/source/src/Makefile
+++ b/source/src/Makefile
@@ -129,9 +129,12 @@ clean:
 #	-$(MAKE) -C ../enet/ clean
 
 %.h.gch: %.h
-	$(CXX) $(CXXFLAGS) -o $@.tmp $(subst .h.gch,.h,$@)
+	$(CXX) $(CXXFLAGS) -x c++-header -o $@.tmp $(subst .h.gch,.h,$@)
 	$(MV) $@.tmp $@
 
+rendermodel.o: rendermodel.cpp
+	$(CXX) $(CXXFLAGS) -fno-strict-aliasing -c -o $@ $(subst .o,.cpp,$@)
+
 %-standalone.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $(subst -standalone.o,.cpp,$@)