diff --git a/parser/calc/Makefile b/parser/calc/Makefile
--- a/parser/calc/Makefile
+++ b/parser/calc/Makefile
@@ -10,7 +10,7 @@
 
 .SUFFIXES: .c .y .l
 
-.c.o: 
+.c.o:
 	$(CC) -c $(CFLAGS) -I$(INCLUDE) $(CONFIG) $<
 
 .y.c: