1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/util/pl/Mingw32.pl b/src/lib/libcrypto/util/pl/Mingw32.pl
index c687d9b118..37f36126f3 100644
--- a/src/lib/libcrypto/util/pl/Mingw32.pl
+++ b/src/lib/libcrypto/util/pl/Mingw32.pl
@@ -17,9 +17,9 @@ $mkdir='gmkdir';
 
 $cc='gcc';
 if ($debug)
-        { $cflags="-DL_ENDIAN -g2 -ggdb"; }
+        { $cflags="-DL_ENDIAN -DDSO_WIN32 -g2 -ggdb"; }
 else
-        { $cflags="-DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall"; }
+        { $cflags="-DL_ENDIAN -DDSO_WIN32 -fomit-frame-pointer -O3 -m486 -Wall"; }
 
 if ($gaswin and !$no_asm)
         {