diff --git a/util/spkmodem_recv/Makefile b/util/spkmodem_recv/Makefile
index c436b509..3c1bc0e5 100644
--- a/util/spkmodem_recv/Makefile
+++ b/util/spkmodem_recv/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
+CC ?= cc
 PREFIX  ?= /usr/local
 INSTALL ?= install
 CFLAGS ?= -Os -Wall -Wextra -Werror -pedantic