diff --git a/configure.ac b/configure.ac
index cba0a41..ac887a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -227,12 +227,12 @@
 AC_ARG_ENABLE(bsc_fd_check,
 	[AS_HELP_STRING(
 		[--enable-bsc-fd-check],
-		[Instrument bsc_register_fd to check that the fd is registered]
+		[Instrument osmo_fd_register to check that the fd is registered]
 	)],
 	[fd_check=$enableval], [fd_check="no"])
 if test x"$fd_check" = x"no"
 then
-	AC_DEFINE([BSC_FD_CHECK],[1],[Instrument the bsc_register_fd])
+	AC_DEFINE([OSMO_FD_CHECK],[1],[Instrument the osmo_fd_register])
 fi
 
 AC_ARG_ENABLE(msgfile,
diff --git a/src/select.c b/src/select.c
index 774056a..496beea 100644
--- a/src/select.c
+++ b/src/select.c
@@ -121,7 +121,7 @@
 	if (fd->fd > maxfd)
 		maxfd = fd->fd;
 
-#ifdef BSC_FD_CHECK
+#ifdef OSMO_FD_CHECK
 	if (osmo_fd_is_registered(fd)) {
 		fprintf(stderr, "Adding a osmo_fd that is already in the list.\n");
 		return 0;