diff --git a/tests/a5/a5_test.c b/tests/a5/a5_test.c
index 69f1035..74586a6 100644
--- a/tests/a5/a5_test.c
+++ b/tests/a5/a5_test.c
@@ -66,7 +66,7 @@
 	_a5_3(key, count, dlout, NULL, false);
 	_a5_3(key, count, NULL, ulout, false);
 
-	return print_a5(3, 8, "DL", dlout, block1) & print_a5(3, 8, "UL", ulout, block2);
+	return print_a5(3, 8, "DL", dlout, block1) && print_a5(3, 8, "UL", ulout, block2);
 }
 
 static inline bool test_a54(const char * kc, uint32_t count, const char * block1, const char * block2)
@@ -78,7 +78,7 @@
 	_a5_4(key, count, dlout, NULL, false);
 	_a5_4(key, count, NULL, ulout, false);
 
-	return print_a5(4, 8, "DL", dlout, block1) & print_a5(4, 8, "UL", ulout, block2);
+	return print_a5(4, 8, "DL", dlout, block1) && print_a5(4, 8, "UL", ulout, block2);
 }