diff --git a/lib/installer.js b/lib/installer.js
index b861ac0..c97322f 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -49,7 +49,7 @@ function getFlutter(version, channel) {
         // make semver compatible, eg: 1.7.8+hotfix.4 -> 1.7.8-hotfix.4
         const semver = version.replace('+', '-');
         const cleanver = `${semver}-${channel}`;
-        let toolPath = tc.find('Flutter', cleanver);
+        let toolPath = tc.find('flutter', cleanver);
         if (toolPath) {
             core.debug(`Tool found in cache ${toolPath}`);
         }
@@ -60,7 +60,7 @@ function getFlutter(version, channel) {
             let tempDir = generateTempDir();
             const sdkDir = yield extractDownload(sdkFile, tempDir);
             core.debug(`Flutter sdk extracted to ${sdkDir}`);
-            toolPath = yield tc.cacheDir(sdkDir, 'Flutter', cleanver);
+            toolPath = yield tc.cacheDir(sdkDir, 'flutter', cleanver);
         }
         core.exportVariable('FLUTTER_HOME', toolPath);
         core.addPath(path.join(toolPath, 'bin'));