diff --git a/src/TMCStepper.h b/src/TMCStepper.h
index d810a967..d73f79e6 100644
--- a/src/TMCStepper.h
+++ b/src/TMCStepper.h
@@ -111,6 +111,7 @@ class TMCStepper {
 
 	protected:
 		TMCStepper(float RS) : Rsense(RS) {};
+		virtual ~TMCStepper() {};
 		INIT_REGISTER(IHOLD_IRUN){{.sr=0}};	// 32b
 		INIT_REGISTER(TPOWERDOWN){.sr=0};		// 8b
 		INIT_REGISTER(TPWMTHRS){.sr=0};			// 32b