diff --git a/_data/fonts.json b/_data/fonts.json
index 59bc7de9a..e7377583c 100644
--- a/_data/fonts.json
+++ b/_data/fonts.json
@@ -5,7 +5,7 @@
       "RFN": false,
       "patchedName": "0xProto",
       "folderName": "0xProto",
-      "imagePreviewFont": "0xProto",
+      "imagePreviewFont": "0xProto Nerd Font",
       "linkPreviewFont": "oxproto",
       "caskName": "0xProto",
       "repoRelease": false,
@@ -379,7 +379,7 @@
       "RFN": false,
       "patchedName": "IosevkaTermSlab",
       "folderName": "IosevkaTermSlab",
-      "imagePreviewFont": "IosevkaTermSlab Nerd Font",
+      "imagePreviewFont": "IosevkaTermSlab NF",
       "linkPreviewFont": false,
       "caskName": "iosevka-term-slab",
       "repoRelease": false,
@@ -434,9 +434,10 @@
       "RFN": false,
       "patchedName": "MartianMono",
       "folderName": "MartianMono",
-      "imagePreviewFont": "MartianMono Nerd Font",
+      "imagePreviewFont": "MartianMono NF",
       "linkPreviewFont": "martian-mono",
       "caskName": "martian-mono",
+      "repoRelease": false,
       "description": "Free and open-source monospaced font from Evil Martians"
     },
     {