diff --git a/svr-chansession.c b/svr-chansession.c
index 9ae2e60..23c5a64 100644
--- a/svr-chansession.c
+++ b/svr-chansession.c
@@ -1040,9 +1040,11 @@ static void execchild(const void *user_data) {
 	if (chansess->original_command) {
 		addnewvar("SSH_ORIGINAL_COMMAND", chansess->original_command);
 	}
+#if DROPBEAR_SVR_PUBKEY_OPTIONS_BUILT
         if (ses.authstate.pubkey_info != NULL) {
-                addnewvar("SSH_PUBKEYINFO", ses.authstate.pubkey_info);
+            addnewvar("SSH_PUBKEYINFO", ses.authstate.pubkey_info);
         }
+#endif
 
 	/* change directory */
 	if (chdir(ses.authstate.pw_dir) < 0) {