diff --git a/externals/cpmfile.json b/externals/cpmfile.json
index eaf099df89..11196caf3d 100644
--- a/externals/cpmfile.json
+++ b/externals/cpmfile.json
@@ -169,7 +169,10 @@
         "tag": "v%VERSION%",
         "hash": "a95495142f915d6e9c2a23e80fe360343e9097680066a2f9d3037a070ba5f81ee5559a0407cc9e972dc2afae325873f1fc7ea07a64012c0f01aac6e549f03e3f",
         "version": "3.0.1",
-        "git_version": "3.11.0"
+        "git_version": "3.11.0",
+        "patches": [
+            "0001-solaris-isnan-fix.patch"
+        ]
     },
     "discord-rpc": {
         "package": "DiscordRPC",