diff --git a/media/libnbaio/MonoPipe.cpp b/media/libnbaio/MonoPipe.cpp
index e8d3d9b..095a4ff 100644
--- a/media/libnbaio/MonoPipe.cpp
+++ b/media/libnbaio/MonoPipe.cpp
@@ -180,7 +180,7 @@
             }
         }
         if (ns > 0) {
-            const struct timespec req = {0, ns};
+            const struct timespec req = {0, static_cast<long>(ns)};
             nanosleep(&req, NULL);
         }
         // record the time that this write() completed