diff --git a/commands/test.c b/commands/test.c
index c4f4938..ab108fc 100644
--- a/commands/test.c
+++ b/commands/test.c
@@ -208,6 +208,11 @@
 			}
 		}
 
+		if (left < adv) {
+			printf("test: failed to parse arguments\n");
+			return 1;
+		}
+
 		if (last_cmp == 0)
 			expr = last_expr || expr;
 		else if (last_cmp == 1)