diff --git a/src/common/filesystem/resourcefile.cpp b/src/common/filesystem/resourcefile.cpp
index 08919cee7..2c68b9ac0 100644
--- a/src/common/filesystem/resourcefile.cpp
+++ b/src/common/filesystem/resourcefile.cpp
@@ -360,15 +360,13 @@ void FResourceFile::PostProcessArchive(void *lumps, size_t lumpsize, LumpFilterI
 	int lastpos = -1;
 	FString file;
 	FString LumpFilter = filter->dotFilter;
-	if (LumpFilter.IndexOf('.') < 0)
-	{
-		max -= FilterLumps(LumpFilter, lumps, lumpsize, max);
-	}
-	else while ((len = LumpFilter.IndexOf('.', lastpos+1)) > 0)
+	while ((len = LumpFilter.IndexOf('.', lastpos+1)) > 0)
 	{
 		max -= FilterLumps(LumpFilter.Left(len), lumps, lumpsize, max);
 		lastpos = len;
 	}
+	max -= FilterLumps(LumpFilter, lumps, lumpsize, max);
+
 	JunkLeftoverFilters(lumps, lumpsize, max);
 }