diff --git a/drm/libmediadrm/DrmSessionManager.cpp b/drm/libmediadrm/DrmSessionManager.cpp
index 5292705..e31395d 100644
--- a/drm/libmediadrm/DrmSessionManager.cpp
+++ b/drm/libmediadrm/DrmSessionManager.cpp
@@ -66,7 +66,7 @@
     std::vector<MediaResourceParcel> resources;
     MediaResourceParcel resource{
             Type::kDrmSession, SubType::kUnspecifiedSubType,
-            toStdVec<int8_t>(sessionId), value};
+            toStdVec<>(sessionId), value};
     resources.push_back(resource);
     return resources;
 }