diff --git a/accessible_output2/outputs/auto.py b/accessible_output2/outputs/auto.py
index a6f7a24..e492584 100644
--- a/accessible_output2/outputs/auto.py
+++ b/accessible_output2/outputs/auto.py
@@ -51,7 +51,7 @@ def braille(self, *args, **kwargs):
     def output(self, *args, **kwargs):
         output = self.get_first_available_output()
         if output:
-            output.speak(*args, **kwargs)
+            output.output(*args, **kwargs)
 
     def is_system_output(self):
         """Returns True if this output is a system output."""
diff --git a/accessible_output2/outputs/base.py b/accessible_output2/outputs/base.py
index 7d96dbc..964cda7 100644
--- a/accessible_output2/outputs/base.py
+++ b/accessible_output2/outputs/base.py
@@ -65,9 +65,9 @@ def output(self, text, **options):
             RuntimeError: If the requested output doesn't define either speak or braille.
         """
         output = False
-        if self.speak(text, **options):
+        if self.speak(text, **options) is not False:
             output = True
-        if self.braille(text, **options):
+        if self.braille(text, **options) is not False:
             output = True
         if not output:
             raise RuntimeError(
diff --git a/setup.py b/setup.py
index 83c29ab..10c8b09 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,10 @@
     packages=find_packages(),
     package_data={"accessible_output2": ["lib/*"]},
     zip_safe=False,
-    install_requires=["libloader", "platform_utils"],
+    install_requires=[
+        "libloader",
+        "platform_utils @ git+https://github.com/accessibleapps/platform_utils.git"
+    ],
     extras_require={
         ':sys_platform == "win32"': ["pywin32", "libloader"],
         ':sys_platform == "darwin"': ["appscript"],