1 files changed, 4 insertions, 4 deletions
diff --git a/alias.c b/alias.c
index e687fe54c..372b7d809 100644
--- a/alias.c
+++ b/alias.c
@@ -38,10 +38,7 @@ int split_cmdline(char *cmdline, const char ***argv)
 			while (cmdline[++src]
 					&& isspace(cmdline[src]))
 				; /* skip */
-			if (count >= size) {
-				size += 16;
-				*argv = xrealloc(*argv, sizeof(char *) * size);
-			}
+			ALLOC_GROW(*argv, count+1, size);
 			(*argv)[count++] = cmdline + dst;
 		} else if (!quoted && (c == '\'' || c == '"')) {
 			quoted = c;
@@ -72,6 +69,9 @@ int split_cmdline(char *cmdline, const char ***argv)
 		return error("unclosed quote");
 	}
 
+	ALLOC_GROW(*argv, count+1, size);
+	(*argv)[count] = NULL;
+
 	return count;
 }