diff --git a/sapi/cli/ps_title.c b/sapi/cli/ps_title.c
index 642e2247cfbc..b6f0e0400e71 100644
--- a/sapi/cli/ps_title.c
+++ b/sapi/cli/ps_title.c
@@ -405,7 +405,7 @@ int get_ps_title(size_t *displen, const char** string)
 	wchar_t ps_buffer_w[MAX_PATH];
 	char *tmp;
 
-        if (!(ps_buffer_cur_len = GetConsoleTitleW(ps_buffer_w, (DWORD)sizeof(ps_buffer_w)))) {
+        if (!(ps_buffer_cur_len = GetConsoleTitleW(ps_buffer_w, (DWORD)(sizeof(ps_buffer_w) / sizeof(ps_buffer_w[0]))))) {
             return PS_TITLE_WINDOWS_ERROR;
 	}