1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/util/pl/Mingw32f.pl b/src/lib/libcrypto/util/pl/Mingw32f.pl
index a53c537646..44f5673d7a 100644
--- a/src/lib/libcrypto/util/pl/Mingw32f.pl
+++ b/src/lib/libcrypto/util/pl/Mingw32f.pl
@@ -11,9 +11,9 @@ $rm='del';
 
 $cc='gcc';
 if ($debug)
-        { $cflags="-g2 -ggdb"; }
+        { $cflags="-g2 -ggdb -DDSO_WIN32"; }
 else
-        { $cflags="-O3 -fomit-frame-pointer"; }
+        { $cflags="-O3 -fomit-frame-pointer -DDSO_WIN32"; }
 
 $obj='.o';
 $ofile='-o ';