diff --git a/Makefile b/Makefile
index 17a1216..0cbbecc 100644
--- a/Makefile
+++ b/Makefile
@@ -53,7 +53,7 @@ endif
 	@if test -d "$(BUILDDIR)/"; then \
 		find $(BUILDDIR)/ -xdev \
 			'(' -name '*.[ao]' -o -name '.*.c.dep' ')' \
-			-exec rm -f {} + ; \
+			-exec rm -f {} \; ; \
 	fi
 	rm -f $(BUILDDIR)/include/version.h
 	$(MAKE) -C $(TESTS) clean