diff --git a/emsdk_manifest.json b/emsdk_manifest.json
index 89f0582b09..451d85ddba 100644
--- a/emsdk_manifest.json
+++ b/emsdk_manifest.json
@@ -633,6 +633,7 @@
     "bitness": 64,
     "url": "https://github.com/juj/ccache.git",
     "git_branch": "emscripten",
+    "activated_cfg": "CCACHE=%installation_dir%/bin",
     "activated_path": "%installation_dir%/bin",
     "activated_env": "_EMCC_CCACHE=1;CCACHE_CONFIGPATH=%installation_dir%/emcc_ccache.conf",
     "cmake_build_type": "Release",