diff --git a/apps/openmw/mwsound/soundmanager.cpp b/apps/openmw/mwsound/soundmanager.cpp
index b6f88daa1..20b365b37 100644
--- a/apps/openmw/mwsound/soundmanager.cpp
+++ b/apps/openmw/mwsound/soundmanager.cpp
@@ -120,7 +120,7 @@ namespace MWSound
     {
     }
 
-    void stopSound (MWWorld::Ptr::CellStore *cell)
+    void SoundManager::stopSound (MWWorld::Ptr::CellStore *cell)
     {
         // Note to Nico: You can get the cell of a Ptr via the getCell function. Just iterate over all
         // sounds and remove those with matching cell.