1 files changed, 2 insertions, 2 deletions
diff --git a/ex_subr.c b/ex_subr.c
index 663a78e..3d9c090 100644
--- a/ex_subr.c
+++ b/ex_subr.c
@@ -490,12 +490,12 @@ morelines(void)
 			pg = 4096;
 		pg /= sizeof (line);
 	}
-	if ((char *)sbrk(pg * sizeof (line)) == (char *)-1)
+	if ((char *)shim_sbrk(pg * sizeof (line)) == (char *)-1)
 		return (-1);
 	endcore += pg;
 	return (0);
 #else	/* !_SC_PAGESIZE */
-	if (sbrk(1024 * sizeof (line)) == (char *)-1)
+	if (shim_sbrk(1024 * sizeof (line)) == (char *)-1)
 		return (-1);
 	endcore += 1024;
 	return (0);