diff --git a/spec/stdlib/command-installer-spec.coffee b/spec/stdlib/command-installer-spec.coffee
index ea7cf88b7..4bbeb928b 100644
--- a/spec/stdlib/command-installer-spec.coffee
+++ b/spec/stdlib/command-installer-spec.coffee
@@ -16,7 +16,7 @@ describe "install(commandPath, callback)", ->
   it "symlinks the command and makes it executable", ->
     fsUtils.write(commandPath, 'test')
     expect(fsUtils.isFileSync(commandPath)).toBeTruthy()
-    expect(fsUtils.isExecutable(commandPath)).toBeFalsy()
+    expect(fsUtils.isExecutableSync(commandPath)).toBeFalsy()
     expect(fsUtils.isFileSync(destinationPath)).toBeFalsy()
 
     installDone = false
@@ -31,4 +31,4 @@ describe "install(commandPath, callback)", ->
       expect(installError).toBeNull()
       expect(fsUtils.isFileSync(destinationPath)).toBeTruthy()
       expect(fs.realpathSync(destinationPath)).toBe fs.realpathSync(commandPath)
-      expect(fsUtils.isExecutable(destinationPath)).toBeTruthy()
+      expect(fsUtils.isExecutableSync(destinationPath)).toBeTruthy()
diff --git a/src/stdlib/fs-utils.coffee b/src/stdlib/fs-utils.coffee
index af2c62fca..95eccf0a0 100644
--- a/src/stdlib/fs-utils.coffee
+++ b/src/stdlib/fs-utils.coffee
@@ -58,7 +58,7 @@ module.exports =
       false
 
   # Returns true if the specified path is exectuable.
-  isExecutable: (path) ->
+  isExecutableSync: (path) ->
     try
       (fs.statSync(path).mode & 0o777 & 1) isnt 0
     catch e