diff --git a/source/streams/StreamRecording.cpp b/source/streams/StreamRecording.cpp
index 3e34a6c6..b7141222 100644
--- a/source/streams/StreamRecording.cpp
+++ b/source/streams/StreamRecording.cpp
@@ -62,7 +62,7 @@ int StreamRecording::length()
 
 float StreamRecording::duration( unsigned int sampleRate )
 {
-    return ((float)this->length() / DATASTREAM_FORMAT_BYTES_PER_SAMPLE((float)this->getFormat()) ) / (float)sampleRate;
+    return ((float)this->length() / (float)DATASTREAM_FORMAT_BYTES_PER_SAMPLE(this->getFormat()) ) / (float)sampleRate;
 }
 
 bool StreamRecording::isFull() {