diff --git a/inc/My/Builder/Darwin.pm b/inc/My/Builder/Darwin.pm
index b94c73a1..5c761f7d 100644
--- a/inc/My/Builder/Darwin.pm
+++ b/inc/My/Builder/Darwin.pm
@@ -55,8 +55,8 @@ sub build_bundle {
 sub ACTION_test {
     my $self = shift;
     $self->build_bundle() if !( -e 'blib/script/SDLPerl' );
-    my $cmd = ($ENV{SDL_RELEASE_TESTING} ? 'blib/script/SDLPerl ' : $^X)
-            . getcwd() . '/Build test';
+    my $cmd = ($ENV{SDL_RELEASE_TESTING} ? 'blib/script/SDLPerl' : $^X)
+            .  ' ' . getcwd() . '/Build test';
     if ( $ENV{SDL_PERL_TEST} ) {
         $self->Module::Build::ACTION_test;
         $ENV{SDL_PERL_TEST} = 0;    #unset it again