diff --git a/app_broker/assert.c b/app_broker/assert.c
new file mode 100644
index 0000000..648fd6f
--- /dev/null
+++ b/app_broker/assert.c
@@ -0,0 +1,30 @@
+/*
+ * SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stddef.h>
+#include <assert.h>
+#include "tfm_tests_log_msg.h"
+
+#ifndef __ARMCC_VERSION
+void __assert_func(const char *file, int line, const char *func, const char *reason)
+{
+    LOG_MSG("Assertion failed: (%s), file %s, line %d\r\n", reason, file, line);
+
+    while (1) {
+        ;
+    }
+}
+#else /* __ARMCC_VERSION */
+void __assert_puts(const char *msg)
+{
+    LOG_MSG("%s\r\n", msg);
+
+    while (1) {
+        ;
+    }
+}
+#endif /* __ARMCC_VERSION*/