diff --git a/common/red_error_codes.h b/common/red_error_codes.h
index c08fd51..0c06899 100644
--- a/common/red_error_codes.h
+++ b/common/red_error_codes.h
@@ -45,6 +45,7 @@
 #define SPICEC_ERROR_CODE_VERSION_MISMATCH (-11)
 #define SPICEC_ERROR_CODE_PERMISSION_DENIED (-12)
 #define SPICEC_ERROR_CODE_INVALID_ARG (-13)
+#define SPICEC_ERROR_CODE_CMD_LINE_ERROR (-14)
 
 #endif