diff --git a/src/processing-unit.h b/src/processing-unit.h
index 4969ca1..2d1ecea 100644
--- a/src/processing-unit.h
+++ b/src/processing-unit.h
@@ -17,5 +17,5 @@ public:
 	unsigned int frequency();
 
 private:
-	unsigned int m_frequency;
+	unsigned int m_frequency { 0 };
 };