diff --git a/src/glue.decompress.a b/src/glue.decompress.a
index 197551fcf..351f8e449 100644
--- a/src/glue.decompress.a
+++ b/src/glue.decompress.a
@@ -99,8 +99,10 @@ DecompressInternal
 ;        $0200..$03CB clobbered by decompressor
 ;------------------------------------------------------------------------------
 DecompressDHGR
-         jsr   DecompressHGR
-         sta   WRITEMAINMEM
+         lda   #$3F
+         bit   SHRRTS
+         jsr   DecompressInternal
+         sta   READAUXMEM
          lda   #$60
          sta   PageFrom+2
          lda   #$40