diff -urNp openvpn-2.4.0.orig/src/plugins/auth-pam/auth-pam.c openvpn-2.4.0/src/plugins/auth-pam/auth-pam.c
--- openvpn-2.4.0.orig/src/plugins/auth-pam/auth-pam.c	2016-12-26 11:51:00.000000000 +0000
+++ openvpn-2.4.0/src/plugins/auth-pam/auth-pam.c	2017-02-10 07:39:15.426673734 +0000
@@ -698,7 +698,7 @@ pam_server(int fd, const char *service,
     struct user_pass up;
     int command;
 #ifdef USE_PAM_DLOPEN
-    static const char pam_so[] = "libpam.so";
+    static const char pam_so[] = "libpam.so.0";
 #endif
 
     /*