diff --git a/src/ArtefactTrait.php b/src/ArtefactTrait.php
index 2315607..5acb71c 100644
--- a/src/ArtefactTrait.php
+++ b/src/ArtefactTrait.php
@@ -561,7 +561,7 @@ protected function gitUpdateIndex($location)
         foreach ($files as $file) {
             $this->gitCommandRun(
                 $this->src,
-                'update-index --add '.$file
+                sprintf('update-index --add "%s"', $file)
             );
         }
     }
diff --git a/tests/ForcePushTest.php b/tests/ForcePushTest.php
index 15c8a15..2987a72 100644
--- a/tests/ForcePushTest.php
+++ b/tests/ForcePushTest.php
@@ -161,6 +161,7 @@ public function testGitignoreCustomWhitelisting()
 
         $this->gitCreateFixtureFile($this->src, 'vendor/ve_ignored_ignored.txt');
         $this->gitCreateFixtureFile($this->src, 'vendor_com_com.txt');
+        $this->gitCreateFixtureFile($this->src, 'vendor_com with space com.txt');
         $this->gitCreateFixtureFile($this->src, 'dir_other/vendor/ve_com_com.txt');
 
         $this->gitCreateFixtureCommits(2);
@@ -177,7 +178,7 @@ public function testGitignoreCustomWhitelisting()
         $this->gitAssertFilesCommitted($this->src, [
             '1.txt', '2.txt', 'com_com.txt', 'com_ignored.txt',
             'dir_com_com/sub_com_com.txt', 'dir_com_ignored/sub_com_ignored.txt',
-            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt',
+            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt', 'vendor_com with space com.txt',
         ]);
         $this->gitAssertNoFilesCommitted($this->src, [
             'ignored_ignored.txt', 'ignored_com.txt', 'uncom_ignored.txt', 'uncom_com.txt', 'uncom_del.txt',
@@ -206,7 +207,7 @@ public function testGitignoreCustomWhitelisting()
         $this->gitAssertNoFilesCommitted($this->dst, [
             '1.txt', 'ignored_ignored.txt', 'com_ignored.txt', 'uncom_ignored.txt', 'uncom_del.txt',
             'dir_com_ignored/sub_com_ignored.txt', 'dir_ignored_ignored/sub_ignored_ignored.txt', 'dir_uncom_ignored/sub_uncom_ignored.txt', 'dir_uncom_del/sub_uncom_del.txt',
-            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt',
+            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt', 'vendor_com with space com.txt',
         ], 'testbranch');
 
         $this->gitAssertFilesExist($this->dst, [
@@ -218,7 +219,7 @@ public function testGitignoreCustomWhitelisting()
             '1.txt', 'ignored_ignored.txt', 'com_ignored.txt', 'uncom_ignored.txt', 'uncom_del.txt',
             'dir_com_ignored/sub_com_ignored.txt',
             'dir_ignored_ignored/sub_ignored_ignored.txt', 'dir_uncom_ignored/sub_uncom_ignored.txt', 'dir_uncom_del/sub_uncom_del.txt',
-            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt',
+            'vendor_com_com.txt', 'dir_other/vendor/ve_com_com.txt', 'vendor_com with space com.txt'
         ], 'testbranch');
     }