diff -ru qe-7.0.orig/UtilXlib/Makefile qe-7.0/UtilXlib/Makefile
--- qe-7.0.orig/UtilXlib/Makefile	2022-04-22 10:20:18.302661000 +0200
+++ qe-7.0/UtilXlib/Makefile	2022-04-22 10:29:42.559498000 +0200
@@ -41,7 +41,7 @@
 
 
 esh5_interfaces.o : esh5_interfaces.c
-        $(CC) -std=c99 $(CFLAGS) -c $<
+	$(CC) -std=c99 $(CFLAGS) -c $<
 
 libutil.a:  $(UTIL)
 	$(AR) $(ARFLAGS) $@ $?