diff --git a/tools/afcclient.c b/tools/afcclient.c
index 71a1c32..617e59a 100644
--- a/tools/afcclient.c
+++ b/tools/afcclient.c
@@ -913,6 +913,9 @@
 			dstpath[dst_len - 1] = '\0';
 		}
 		free(tmp);
+	} else {
+		printf("Error: Invalid number of arguments\n");
+		return;
 	}
 
 	// target is a directory, put file under this target