diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 331eeb9a959..7d84eeba9c8 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -12163,9 +12163,16 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
 			Scene *sce;
 			bNodeTree *ntree;
 			
-			for (sce=main->scene.first; sce; sce=sce->id.next)
+			for (sce=main->scene.first; sce; sce=sce->id.next) {
+				/* there are files with invalid audio_channels value, the real cause
+				   is unknown, but we fix it here anyway to avoid crashes */
+				if(sce->r.ffcodecdata.audio_channels == 0)
+					sce->r.ffcodecdata.audio_channels = 2;
+
 				if (sce->nodetree)
 					do_versions_nodetree_image_default_alpha_output(sce->nodetree);
+			}
+
 			for (ntree=main->nodetree.first; ntree; ntree=ntree->id.next)
 				do_versions_nodetree_image_default_alpha_output(ntree);
 		}