diff --git a/src/m_pd.h b/src/m_pd.h
index a9dc095955d6c7053ba70f3c3d9cd0b194fb9674..ba9cecc579c4f550ea68cf6e00fbc27584b0f6ca 100644
--- a/src/m_pd.h
+++ b/src/m_pd.h
@@ -11,7 +11,7 @@ extern "C" {
 #define PD_MAJOR_VERSION 0
 #define PD_MINOR_VERSION 42
 #define PD_BUGFIX_VERSION 0
-#define PD_TEST_VERSION "test9"
+#define PD_TEST_VERSION ""
 
 /* old name for "MSW" flag -- we have to take it for the sake of many old
 "nmakefiles" for externs, which will define NT and not MSW */