diff --git a/lib/cli/commands/site.js b/lib/cli/commands/site.js
index ee70b6e1a..d04c59f45 100644
--- a/lib/cli/commands/site.js
+++ b/lib/cli/commands/site.js
@@ -1,4 +1,4 @@
-/*** Generated by streamline 0.2.5 - DO NOT EDIT ***/
+/*** Generated by streamline 0.3.6 (callbacks) - DO NOT EDIT ***/
 var __rt=require('streamline/lib/callbacks/runtime').runtime(__filename),__func=__rt.__func,__cb=__rt.__cb,__tryCatch=__rt.__tryCatch,__propagate=__rt.__propagate,__trap=__rt.__trap,__future=__rt.__future,__setEF=__rt.__setEF,__g=__rt.__g;
 /*     1 */ var common = require("../common");
 /*    17 */ var fs = require("fs");
@@ -226,11 +226,11 @@ var __rt=require('streamline/lib/callbacks/runtime').runtime(__filename),__func=
                     return (function ___(__then) {
                       (function ___(_) {
                         __tryCatch(_, function __$determineIfCurrentDirectoryIsGitWorkingTree() {
-/*   209 */               return exec("git rev-parse --is-inside-work-tree", __cb(_, __frame, 4, 37, function ___(__0, __1) {
+/*   209 */               return exec("git rev-parse --git-dir", __cb(_, __frame, 4, 37, function ___(__0, __1) {
                             isInsideWorkTree = __1;
 /*   210 */                 lines = (isInsideWorkTree.stdout + isInsideWorkTree.stderr);
 /*   211 */                 context.flags.isGitWorkingTree = lines.split("\n").some(function(line) {
-/*   212 */                   return (line === "true");
+/*   212 */                   return (line === ".git");
                             });
                             __then();
                           }, true));
diff --git a/lib/cli/commands/site_.js b/lib/cli/commands/site_.js
index a22fd204d..12196c0e3 100644
--- a/lib/cli/commands/site_.js
+++ b/lib/cli/commands/site_.js
@@ -206,10 +206,10 @@ exports.init = function (cli) {
             log.silly('determineIfCurrentDirectoryIsGitWorkingTree');
 
             try {
-              var isInsideWorkTree = exec('git rev-parse --is-inside-work-tree', _);
+              var isInsideWorkTree = exec('git rev-parse --git-dir', _);
               var lines = isInsideWorkTree.stdout + isInsideWorkTree.stderr;
               context.flags.isGitWorkingTree = lines.split('\n').some(function (line) {
-                return line === 'true';
+                return line === '.git';
               });
             } catch (err) {
               context.flags.isGitWorkingTree = false;