diff --git a/src/git/git.ts b/src/git/git.ts
index 94360dc..2bde546 100644
--- a/src/git/git.ts
+++ b/src/git/git.ts
@@ -134,7 +134,7 @@ export class Git {
         const data = await Git.show(repoPath, fileName, branchOrSha, { encoding: 'binary' });
         if (data === undefined) return undefined;
 
-        const suffix = Strings.truncate(Strings.sanitizeForFS(Git.isSha(branchOrSha) ? Git.shortenSha(branchOrSha) : branchOrSha), 50, '');
+        const suffix = Strings.truncate(Strings.sanitizeForFileSystem(Git.isSha(branchOrSha) ? Git.shortenSha(branchOrSha) : branchOrSha), 50, '');
         const ext = path.extname(fileName);
         return new Promise<string>((resolve, reject) => {
             tmp.file({ prefix: `${path.basename(fileName, ext)}-${suffix}__`, postfix: ext },
diff --git a/src/system/string.ts b/src/system/string.ts
index 015f51b..ef05b47 100644
--- a/src/system/string.ts
+++ b/src/system/string.ts
@@ -99,7 +99,7 @@ export namespace Strings {
     // Removes \ / : * ? " < > | and C0 and C1 control codes
     const illegalCharsForFSRegEx = /[\\/:*?"<>|\x00-\x1f\x80-\x9f]/g;
 
-    export function sanitizeForFS(s: string, replacement: string = '_') {
+    export function sanitizeForFileSystem(s: string, replacement: string = '_') {
         if (!s) return s;
         return s.replace(illegalCharsForFSRegEx, replacement);
     }