1 files changed, 5 insertions, 2 deletions

diff --git a/src/zsh_completion/Makefile b/src/zsh_completion/Makefile
index e964d39ec..cbc476a73 100644
--- a/src/zsh_completion/Makefile
+++ b/src/zsh_completion/Makefile
@@ -2,14 +2,17 @@
 ROOT = ../..
 -include $(ROOT)/config.mk
 
+GAWK ?= gawk
+RM ?= rm -f
+
 .PHONY: all
 all: _firejail
 
 _firejail: _firejail.in $(ROOT)/config.mk
         $(GAWK) -f ../man/preproc.awk -- $(MANFLAGS) < $< > $@.tmp
         sed "s|_SYSCONFDIR_|$(sysconfdir)|" < $@.tmp > $@
-        rm $@.tmp
+        $(RM) $@.tmp
 
 .PHONY: clean
 clean:
-        rm -fr _firejail
+        $(RM) -r _firejail