diff --git a/services/audioflinger/FastMixerState.cpp b/services/audioflinger/FastMixerState.cpp
index c45c81b..737de97 100644
--- a/services/audioflinger/FastMixerState.cpp
+++ b/services/audioflinger/FastMixerState.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "Configuration.h"
 #include "FastMixerState.h"
 
 namespace android {