diff --git a/jlc/Makefile b/jlc/Makefile
index 0fcf129..c580011 100644
--- a/jlc/Makefile
+++ b/jlc/Makefile
@@ -5,20 +5,26 @@ BISON := bison
 TARGET := jlc
 LDFLAGS := -lfl
 
+COBJS := lex.yy.o
+CXXOBJS := $(TARGET).tab.o
+
 all: $(TARGET)
 
-$(TARGET): lex.yy.o $(TARGET).tab.o
+$(TARGET): $(COBJS) $(CXXOBJS)
 	$(CXX) -o $@ $^ $(LDFLAGS)
 
-lex.yy.o: lex.yy.c $(TARGET).tab.hh
+%.o: %.c
 	$(CC) -c -o $@ $<
 
-$(TARGET).tab.o: $(TARGET).tab.cc
+%.o: %.cc
 	$(CXX) -c -o $@ $<
 
 $(TARGET).tab.cc $(TARGET).tab.hh: $(TARGET).yy
 	$(BISON) -d $<
 
+lex.yy.o: lex.yy.c
+
+lex.yy.c: $(TARGET).tab.hh
 lex.yy.c: $(TARGET).lex
 	$(FLEX) $<