1 files changed, 2 insertions, 0 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index b11a1c3a..7300a81e 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -1123,6 +1123,7 @@ ALvoid aluHandleDisconnect(ALCdevice *device)
         ALsource *source;
         ALsizei pos;
 
+        ReadLock(&Context->SourceMap.lock);
         for(pos = 0;pos < Context->SourceMap.size;pos++)
         {
             source = Context->SourceMap.array[pos].value;
@@ -1134,6 +1135,7 @@ ALvoid aluHandleDisconnect(ALCdevice *device)
                 source->position_fraction = 0;
             }
         }
+        ReadUnlock(&Context->SourceMap.lock);
 
         Context = Context->next;
     }