diff --git a/EZAudio/EZAudioUtilities.m b/EZAudio/EZAudioUtilities.m
index 82402dad..3f0f73cc 100644
--- a/EZAudio/EZAudioUtilities.m
+++ b/EZAudio/EZAudioUtilities.m
@@ -709,9 +709,9 @@ + (void)clearHistoryInfo:(EZPlotHistoryInfo *)historyInfo
 
 + (void)freeHistoryInfo:(EZPlotHistoryInfo *)historyInfo
 {
+    TPCircularBufferCleanup(&historyInfo->circularBuffer);
     free(historyInfo->buffer);
     free(historyInfo);
-    TPCircularBufferCleanup(&historyInfo->circularBuffer);
 }
 
 //------------------------------------------------------------------------------