diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 0275064..d7a4187 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -397,7 +397,7 @@
     sortbuf1 = NULL;
     sortbuf2 = NULL;
     regmatch.regprog = NULL;
-    nrs = (sorti_T *)alloc(count * sizeof(sorti_T));
+    nrs = ALLOC_MULT(sorti_T, count);
     if (nrs == NULL)
 	goto sortend;