diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
index d898a53..88cb1e9 100644
--- a/services/audioflinger/AudioPolicyService.h
+++ b/services/audioflinger/AudioPolicyService.h
@@ -19,6 +19,7 @@
 
 #include <cutils/misc.h>
 #include <cutils/config_utils.h>
+#include <utils/String8.h>
 #include <utils/Vector.h>
 #include <utils/SortedVector.h>
 #include <binder/BinderService.h>
@@ -31,8 +32,6 @@
 
 namespace android {
 
-class String8;
-
 // ----------------------------------------------------------------------------
 
 class AudioPolicyService :