diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 9007b10..dbb3d2b 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -231,7 +231,8 @@
         case AAUDIO_ALLOW_CAPTURE_BY_SYSTEM:
             return AUDIO_FLAG_NO_MEDIA_PROJECTION;
         case AAUDIO_ALLOW_CAPTURE_BY_NONE:
-            return AUDIO_FLAG_NO_MEDIA_PROJECTION | AUDIO_FLAG_NO_SYSTEM_CAPTURE;
+            return static_cast<audio_flags_mask_t>(
+                    AUDIO_FLAG_NO_MEDIA_PROJECTION | AUDIO_FLAG_NO_SYSTEM_CAPTURE);
         default:
             ALOGE("%s() 0x%08X unrecognized", __func__, policy);
             return AUDIO_FLAG_NONE; //