diff --git a/Cargo.toml b/Cargo.toml
index cac4e0083..e64a073fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "coreaudio-rs"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["mitchmindtree <mitchell.nordine@gmail.com>", "yupferris <jake@fusetools.com>"]
 description = "A friendly rust interface for Apple's CoreAudio API."
 keywords = ["core", "audio", "unit", "osx", "ios"]
diff --git a/src/audio_unit/render_callback.rs b/src/audio_unit/render_callback.rs
index e1fcc7395..e0c5668a7 100644
--- a/src/audio_unit/render_callback.rs
+++ b/src/audio_unit/render_callback.rs
@@ -471,7 +471,7 @@ impl AudioUnit {
         // First, we'll retrieve the stream format so that we can ensure that the given callback
         // format matches the audio unit's format.
         let id = sys::kAudioUnitProperty_StreamFormat;
-        let asbd = self.get_property(id, Scope::Input, Element::Output)?;
+        let asbd = self.get_property(id, Scope::Input, Element::Input)?;
         let stream_format = super::StreamFormat::from_asbd(asbd)?;
 
         // If the stream format does not match, return an error indicating this.