diff --git a/src/doomdata.h b/src/doomdata.h
index c08714f469..b51dd5d20a 100644
--- a/src/doomdata.h
+++ b/src/doomdata.h
@@ -365,8 +365,6 @@ struct FMapThing
 	short		pitch;
 	short		roll;
 	DWORD		RenderStyle;
-
-	//void Serialize (FArchive &);
 };
 
 
diff --git a/src/resourcefiles/resourcefile.cpp b/src/resourcefiles/resourcefile.cpp
index 64fe9b6cf1..223ad861e6 100644
--- a/src/resourcefiles/resourcefile.cpp
+++ b/src/resourcefiles/resourcefile.cpp
@@ -450,6 +450,8 @@ bool FResourceFile::FindPrefixRange(FString filter, void *lumps, size_t lumpsize
 	FResourceLump *lump;
 	int cmp;
 
+	end = start = 0;
+
 	// Pretend that our range starts at 1 instead of 0 so that we can avoid
 	// unsigned overflow if the range starts at the first lump.
 	lumps = (BYTE *)lumps - lumpsize;