diff --git a/src/protocols/PhysicalLayer/PhysicalLayer.h b/src/protocols/PhysicalLayer/PhysicalLayer.h
index 9a4a1e42..693ac3df 100644
--- a/src/protocols/PhysicalLayer/PhysicalLayer.h
+++ b/src/protocols/PhysicalLayer/PhysicalLayer.h
@@ -740,13 +740,13 @@ class PhysicalLayer {
       \param cfg Confioguration of this mode (mode-dependent).
       \returns \ref status_codes
     */
-    int16_t stageMode(RadioModeType_t mode, RadioModeConfig_t cfg);
+    virtual int16_t stageMode(RadioModeType_t mode, RadioModeConfig_t cfg);
 
     /*!
       \brief Launch previously staged mode.
       \returns \ref status_codes
     */
-    int16_t launchMode();
+    virtual int16_t launchMode();
 
     #if RADIOLIB_INTERRUPT_TIMING