diff --git a/Makefile b/Makefile
index 6a260c3..699f1ea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,10 @@
 
-CXX      := g++
-CXXFLAGS := -O2
-OBJS     := WFObj.o
+TARGET   := WFObj.o
 
-all: $(OBJS)
+all: $(TARGET)
 
-%.o: %.cc %.hh
-	$(CXX) -c -o $@ $< $(CXXFLAGS)
+%.o: %.cc
+	$(CXX) -c -o $@ $(CXXFLAGS) $<
 
 clean:
 	-rm -f *~ *.o
diff --git a/WFObj.cc b/WFObj.cc
index 112f489..9a5943b 100644
--- a/WFObj.cc
+++ b/WFObj.cc
@@ -251,7 +251,7 @@ GLuint WFObj::render(bool doTextureInfo)
                 bool valid = true;
                 for (int j = 0; j < 3; j++)
                 {
-                    if (vertexIndices[j] > vertices[j].size())
+                    if (vertexIndices[j] > (int) vertices[j].size())
                     {
                         valid = false;
                         break;