diff --git a/src/sst_flash.c b/src/sst_flash.c
index 7dfc26f1b..5f0fc27f8 100644
--- a/src/sst_flash.c
+++ b/src/sst_flash.c
@@ -249,7 +249,10 @@ sst_39sf010_init(const device_t *info)
     wchar_t *flash_name = (wchar_t *)malloc(l*sizeof(wchar_t));
     swprintf(flash_name, l, L"%ls.bin", machine_name);
 
-    wcscpy(flash_path, flash_name);
+    if (wcslen(flash_name) <= 1024)
+	wcscpy(flash_path, flash_name);
+    else
+	wcsncpy(flash_path, flash_name, 1024);
 
     mem_mapping_disable(&bios_mapping);
     mem_mapping_disable(&bios_high_mapping);
@@ -298,4 +301,4 @@ const device_t sst_flash_39sf010_device =
     sst_39sf010_close,
     NULL,
     NULL, NULL, NULL, NULL
-};
\ No newline at end of file
+};