diff --git a/tests/msgq/1.0/ITestMsgQ.hal b/tests/msgq/1.0/ITestMsgQ.hal
index 62bef0abf9..0cf9c7c71e 100644
--- a/tests/msgq/1.0/ITestMsgQ.hal
+++ b/tests/msgq/1.0/ITestMsgQ.hal
@@ -18,8 +18,8 @@ package android.hardware.tests.msgq@1.0;
 
 interface ITestMsgQ {
     enum EventFlagBits : uint32_t {
-        FMQ_NOT_FULL = 1 << 0,
-        FMQ_NOT_EMPTY  = 1 << 1,
+        FMQ_NOT_EMPTY = 1 << 0,
+        FMQ_NOT_FULL  = 1 << 1,
     };
 
     /**