diff --git a/bucket/ispc.json b/bucket/ispc.json
index 7e69281e86..21926625b3 100644
--- a/bucket/ispc.json
+++ b/bucket/ispc.json
@@ -5,12 +5,13 @@
     "license": "BSD-3-Clause",
     "url": "https://github.com/ispc/ispc/releases/download/v1.15.0/ispc-v1.15.0-windows.zip",
     "hash": "76a10ba670b5163c22dfd354d003535fd0cf0cfd1287aed8724e6cca0f2105b7",
-    "extract_dir": "bin",
+    "extract_dir": "ispc-v1.15.0-windows\\bin",
     "bin": "ispc.exe",
     "checkver": {
         "github": "https://github.com/ispc/ispc"
     },
     "autoupdate": {
-        "url": "https://github.com/ispc/ispc/releases/download/v$version/ispc-v$version-windows.zip"
+        "url": "https://github.com/ispc/ispc/releases/download/v$version/ispc-v$version-windows.zip",
+        "extract_dir": "ispc-v$version-windows\\bin"
     }
 }