--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -73,7 +73,7 @@ INSTALL_DATA = @INSTALL_DATA@
MKINSDIR = @CONFIG_DIR@/autoconf/mkinsdir.sh
RM = rm -f
RM_R = rm -rf
-AR_CR = ar cr
+AR_CR = $(AR) cr
RMDIR = rmdir
LN = /bin/ln -sf
CP = cp