diff --git a/src/bipmkpw.c b/src/bipmkpw.c
index 416a2e0..9851415 100644
--- a/src/bipmkpw.c
+++ b/src/bipmkpw.c
@@ -23,9 +23,9 @@
 #include "util.h"
 #include "md5.h"
 
-int conf_log_level;
-FILE *conf_global_log_file;
-int conf_log_system;
+extern int conf_log_level;
+extern FILE *conf_global_log_file;
+extern int conf_log_system;
 
 void bipmkpw_fatal(char *msg, char *err)
 {