diff --git a/src/win32/encpem.bat b/src/win32/encpem.bat
index 19f93b217..ea9915d7e 100755
--- a/src/win32/encpem.bat
+++ b/src/win32/encpem.bat
@@ -1,3 +1,4 @@
 @title Encrypting server private key
+SET OPENSSL_CONF=ssl.cnf
 openssl rsa -in conf/ssl/server.key.pem -out conf/ssl/server.key.c.pem -des3
 copy conf/ssl/server.key.c.pem conf/ssl/server.key.pem
diff --git a/src/win32/makecert.bat b/src/win32/makecert.bat
index 02ab931fe..89953f62c 100755
--- a/src/win32/makecert.bat
+++ b/src/win32/makecert.bat
@@ -1,4 +1,5 @@
 @title Certificate Generation
+SET OPENSSL_CONF=ssl.cnf
 openssl req -new -config ssl.cnf -out conf/ssl/server.req.pem -keyout conf/ssl/server.key.pem -nodes
 openssl req -x509 -config ssl.cnf -days 3650 -sha256 -in conf/ssl/server.req.pem -key conf/ssl/server.key.pem -out conf/ssl/server.cert.pem