diff --git a/lib/otp/otp_locl.h b/lib/otp/otp_locl.h
index 4d08add2a..6852fd95a 100644
--- a/lib/otp/otp_locl.h
+++ b/lib/otp/otp_locl.h
@@ -53,9 +53,6 @@
 #ifdef HAVE_PWD_H
 #include <pwd.h>
 #endif
-#ifdef HAVE_NDBM_H
-#include <ndbm.h>
-#endif
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
@@ -68,6 +65,8 @@
 
 #include <otp.h>
 
+#include <xdbm.h>
+
 #define OTPKEYS "/.otpkeys"
 
 #define OTP_DB "/tmp/otp"