diff --git a/tests/include/test/drivers/config_test_driver.h b/tests/include/test/drivers/config_test_driver.h
index 22518bfc4f..2585fd9f05 100644
--- a/tests/include/test/drivers/config_test_driver.h
+++ b/tests/include/test/drivers/config_test_driver.h
@@ -39,6 +39,7 @@
 #define MBEDTLS_PSA_BUILTIN_ALG_SHA_256 1
 #define MBEDTLS_CTR_DRBG_C
 #define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ENTROPY_FORCE_SHA256
 
 /*
  * Configuration options that may need to be additionally enabled for the