diff --git a/metacall.rb b/metacall.rb
index d99c9cb..fa97046 100644
--- a/metacall.rb
+++ b/metacall.rb
@@ -44,7 +44,7 @@ def install
       -DOPTION_BUILD_EXAMPLES=OFF
       -DOPTION_BUILD_LOADERS_PY=ON
       -DOPTION_BUILD_LOADERS_NODE=ON
-      -DNodeJS_INSTALL_PREFIX=#{prefix}/metacall/#{version}
+      -DNodeJS_INSTALL_PREFIX=#{prefix}
       -DOPTION_BUILD_LOADERS_JAVA=ON
       -DOPTION_BUILD_LOADERS_JS=OFF
       -DOPTION_BUILD_LOADERS_C=OFF
@@ -70,7 +70,7 @@ def install
     # debug = "set -euxo pipefail\n"
 
     metacall_extra = [
-      "PREFIX=#{prefix}/metacall/#{version}\n",
+      "PREFIX=#{prefix}\n",
       "export LOADER_LIBRARY=\"${PREFIX}/lib\"\n",
       "export SERIAL_LIBRARY_PATH=\"${PREFIX}/lib\"\n",
       "export DETOUR_LIBRARY_PATH=\"${PREFIX}/lib\"\n",