diff --git a/autoload/ale/fixers/black.vim b/autoload/ale/fixers/black.vim
index 35b6a734..27249c55 100644
--- a/autoload/ale/fixers/black.vim
+++ b/autoload/ale/fixers/black.vim
@@ -25,7 +25,7 @@ function! ale#fixers#black#Fix(buffer) abort
     let l:options = ale#Var(a:buffer, 'python_black_options')
 
     return {
-    \   'command': ale#Escape(l:executable. l:exec_args)
+    \   'command': ale#Escape(l:executable) . l:exec_args
     \       . (!empty(l:options) ? ' ' . l:options : '')
     \       . ' -',
     \}
diff --git a/test/fixers/test_black_fixer_callback.vader b/test/fixers/test_black_fixer_callback.vader
index b146afd6..7843783a 100644
--- a/test/fixers/test_black_fixer_callback.vader
+++ b/test/fixers/test_black_fixer_callback.vader
@@ -40,5 +40,5 @@ Execute(Pipenv is detected when python_black_auto_pipenv is set):
   call ale#test#SetFilename('/testplugin/test/python_fixtures/pipenv/whatever.py')
 
   AssertEqual 
-  \ {'command': ale#Escape('pipenv run black') . ' -'},
+  \ {'command': ale#Escape('pipenv') . ' run black -'},
   \ ale#fixers#black#Fix(bufnr(''))