diff --git a/libavcodec/osq.c b/libavcodec/osq.c
index 47587cd812..ac091ebc3d 100644
--- a/libavcodec/osq.c
+++ b/libavcodec/osq.c
@@ -52,7 +52,7 @@ typedef struct OSQContext {
 
     int decorrelate;
     int frame_samples;
-    int64_t nb_samples;
+    uint64_t nb_samples;
 
     int32_t *decode_buffer[2];