diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 63b4e0a..c013f2c 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -3465,7 +3465,7 @@
     scripts/config.py unset MBEDTLS_CTR_DRBG_C
     scripts/config.py unset MBEDTLS_PADLOCK_C
 
-    make CC=gcc CFLAGS='-Werror -Wall -Wextra'
+    make CC=clang CFLAGS='-Werror -Wall -Wextra'
 
     msg "test: default config + AES_ONLY_128_BIT_KEY_LENGTH - CTR_DRBG_C"
     make test