diff --git a/variants/muziworks_r1_neo/target.cpp b/variants/muziworks_r1_neo/target.cpp
index 7b0cb5bf..de889d43 100644
--- a/variants/muziworks_r1_neo/target.cpp
+++ b/variants/muziworks_r1_neo/target.cpp
@@ -37,7 +37,7 @@ void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) {
   radio.setCodingRate(cr);
 }
 
-void radio_set_tx_power(uint8_t dbm) {
+void radio_set_tx_power(int8_t dbm) {
   radio.setOutputPower(dbm);
 }