diff --git a/Makefile b/Makefile
index e9161f3..cc76595 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 TESTS=test/input
 
 tests: $(TESTS)
-	for i in $(TESTS); do ./$$i; done
+	for i in $(TESTS); do ./$$i -v; done
 
 TEST_INPUT=test/input.o input.o
 test/input: $(TEST_INPUT)
diff --git a/test/input.c b/test/input.c
index 7437962..a0af325 100644
--- a/test/input.c
+++ b/test/input.c
@@ -46,11 +46,33 @@ TEST single_arg_too_large(void) {
 	PASS();
 }
 
+TEST arg_limit(void) {
+	struct libscomm_input in;
+	struct libscomm_line l;
+	char s[] = " 1\t 2\t 3\t 4\t 5\t 6\t 7\t 8\t 9\t 10\t 11\t 12\t 13\t 14\t 15\t 16\t 17\t 18\t 19\t 20\t 21\t 22\t 23\t 24\t 25\t 26\t 27\t 28\t 29\t 30\t 31\t 32\n";
+	char *p = s;
+	char tbuf[10];
+	int i;
+
+	libscomm_reset(&in);
+	ASSERT_EQ(libscomm_read(&in, &p, &l), LIBSCOMM_COMPLETE);
+	ASSERT_EQ(l.name, 0);
+	ASSERT_EQ(l.len, LIBSCOMM_MAXARG);
+
+	for (i = 1; i <= l.len; i++) {
+		sprintf(tbuf, " %d", i);
+		ASSERT_STR_EQ(l.buf[i-1], tbuf);
+	}
+
+	PASS();
+}
+
 GREATEST_MAIN_DEFS();
 
 int main(int argc, char *argv[]) {
 	GREATEST_MAIN_BEGIN();
 	RUN_TEST(one_pass);
 	RUN_TEST(single_arg_too_large);
+	RUN_TEST(arg_limit);
 	GREATEST_MAIN_END();
 }