diff --git a/include/config_fallbacks.h b/include/config_fallbacks.h
index 6a6350e..46b7a2a 100644
--- a/include/config_fallbacks.h
+++ b/include/config_fallbacks.h
@@ -85,6 +85,10 @@
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 #endif
 
+#ifndef CONFIG_SYS_MAXARGS
+#define CONFIG_SYS_MAXARGS	16
+#endif
+
 #ifndef CONFIG_FIT_SIGNATURE
 #define CONFIG_IMAGE_FORMAT_LEGACY
 #endif