diff --git a/main.cpp b/main.cpp
index 67df121..c79c548 100644
--- a/main.cpp
+++ b/main.cpp
@@ -83,6 +83,8 @@ int main(int argc, char** argv) {
         return 1;
     }
     
+    WriteWAVHeader(wav, 0);
+    
     DWORD totalBytes = 0;
     const int bufferSize = 44100 * 2 * sizeof(float); // 1 second float stereo
     float buffer[44100 * 2];