diff --git a/content/media/ogg/nsOggCodecState.cpp b/content/media/ogg/nsOggCodecState.cpp
index 4a374f897920..88acbe1c28fd 100644
--- a/content/media/ogg/nsOggCodecState.cpp
+++ b/content/media/ogg/nsOggCodecState.cpp
@@ -114,7 +114,7 @@ PRBool nsOggCodecState::PageInFromBuffer() {
   int ret = ogg_stream_pagein(&mState, p);
   NS_ENSURE_TRUE(ret == 0, PR_FALSE);
   mBuffer.PopFront();
-  delete p->header;
+  delete [] p->header;
   delete p;
   return PR_TRUE;
 }
diff --git a/content/media/ogg/nsOggCodecState.h b/content/media/ogg/nsOggCodecState.h
index fefe528c57de..e45ff33eb559 100644
--- a/content/media/ogg/nsOggCodecState.h
+++ b/content/media/ogg/nsOggCodecState.h
@@ -54,7 +54,7 @@
 class OggPageDeallocator : public nsDequeFunctor {
   virtual void* operator() (void* aPage) {
     ogg_page* p = static_cast<ogg_page*>(aPage);
-    delete p->header;
+    delete [] p->header;
     delete p;
     return nsnull;
   }