diff --git a/src/os_mswin.c b/src/os_mswin.c
index 77582cc..f96e0a5 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -2709,7 +2709,7 @@
 #ifdef PROOF_QUALITY
     {"PROOF",		PROOF_QUALITY},
 #endif
-#ifdef PROOF_QUALITY
+#ifdef DRAFT_QUALITY
     {"DRAFT",		DRAFT_QUALITY},
 #endif
     {"DEFAULT",		DEFAULT_QUALITY},