diff --git a/graphics/psdrv/Makefile.in b/graphics/psdrv/Makefile.in
index 764a09294b2..206966d0143 100644
--- a/graphics/psdrv/Makefile.in
+++ b/graphics/psdrv/Makefile.in
@@ -1,4 +1,4 @@
-DEFS      = -D__WINE__
+DEFS      = @DLLFLAGS@ -D__WINE__
 TOPSRCDIR = @top_srcdir@
 TOPOBJDIR = ../..
 SRCDIR    = @srcdir@