diff --git a/changelog.md b/changelog.md
index 6cf45b6..ab3b968 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,7 @@
 # Changelog
 ## Feb 20, 2023
-Put Memory Card Patch codes in GCT instead of GCI
+- Put Memory Card Patch codes in GCT instead of GCI
+- Fix GCI file name for GMSJ0A
 
 ## Feb 13, 2023
 - Added 'Mario State Savestate'
diff --git a/site/.vuepress/components/DownloadButton.vue b/site/.vuepress/components/DownloadButton.vue
index 522cdc8..110143a 100644
--- a/site/.vuepress/components/DownloadButton.vue
+++ b/site/.vuepress/components/DownloadButton.vue
@@ -197,7 +197,7 @@ export default {
       code += 'C0000000000000023C60817F81E317FC7DE478504E800020'; // return
       const codeSize = code.length>>1;
 
-      const fileName = `GCT_${version}`;
+      const fileName = `GCT_${this.versionIdentifier}`; // GMSJ0A
       const blockCount = 6; // Math.ceil(codeSize/0x2000); // TODO
       const headSize = 0x40;
       const gciSize = headSize+0x2000*blockCount;