diff --git a/utils/Makefile b/utils/Makefile
index 49e466caa3..27d1d39b4e 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -74,10 +74,10 @@ check_expr: check_expr.c ast_expr2.o ast_expr2f.o
 	$(CC) $(CFLAGS) -o $@ $^
 
 aelflex.o: ../pbx/ael/ael_lex.c ../include/asterisk/ael_structs.h ../pbx/ael/ael.tab.h
-	$(CC) $(CFLAGS) -I../pbx/ -DSTANDALONE -c -o $@ $<
+	$(CC) $(CFLAGS) -I../pbx -DSTANDALONE -c -o $@ $<
 
 aelbison.o: ../pbx/ael/ael.tab.c ../pbx/ael/ael.tab.h ../include/asterisk/ael_structs.h
-	$(CC) $(CFLAGS) -I../pbx/ -c -o $@ $<
+	$(CC) $(CFLAGS) -I../pbx -c -o $@ $<
 
 pbx_ael.o: ../pbx/pbx_ael.c
 	$(CC) $(CFLAGS) -c -o $@ $<