diff --git a/Source/Core/AudioCommon/Src/WaveFile.cpp b/Source/Core/AudioCommon/Src/WaveFile.cpp
index c6db942bc3..7eabbb3b48 100644
--- a/Source/Core/AudioCommon/Src/WaveFile.cpp
+++ b/Source/Core/AudioCommon/Src/WaveFile.cpp
@@ -8,10 +8,11 @@
 
 enum {BUF_SIZE = 32*1024};
 
-WaveFileWriter::WaveFileWriter()
+WaveFileWriter::WaveFileWriter():
+	skip_silence(false),
+	audio_size(0),
+	conv_buffer(NULL)
 {
-	conv_buffer = 0;
-	skip_silence = false;
 }
 
 WaveFileWriter::~WaveFileWriter()
@@ -39,6 +40,8 @@ bool WaveFileWriter::Start(const char *filename, unsigned int HLESampleRate)
 		return false;
 	}
 
+	audio_size = 0;
+
 	// -----------------
 	// Write file header
 	// -----------------