diff --git a/examples/companion_radio/NodePrefs.h b/examples/companion_radio/NodePrefs.h
index 3cceed56668..1cc5b501826 100644
--- a/examples/companion_radio/NodePrefs.h
+++ b/examples/companion_radio/NodePrefs.h
@@ -102,8 +102,8 @@ class NodePrefs : public ConfigSerializer {  // persisted to file
     void setIntThresh(uint8_t t) override { _parent->interference_threshold = t; markDirty(); }
     uint8_t getRxGain() const override { return _parent->rx_boosted_gain; }
     void setRxGain(uint8_t g) override { _parent->rx_boosted_gain = g; markDirty(); }
-    uint8_t getTxPower() const override { return _parent->tx_power_dbm; }
-    void setTxPower(uint8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
+    int8_t getTxPower() const override { return _parent->tx_power_dbm; }
+    void setTxPower(int8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
     float getRxDelay() const override { return _parent->rx_delay_base; }
     void setRxDelay(float d) override { _parent->rx_delay_base = d; markDirty(); }
     uint16_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
diff --git a/src/helpers/CommonCLI.h b/src/helpers/CommonCLI.h
index 2759b0c4f0e..675df7a4be7 100644
--- a/src/helpers/CommonCLI.h
+++ b/src/helpers/CommonCLI.h
@@ -115,8 +115,8 @@ class NodePrefs : public ConfigSerializer {
     void setIntThresh(uint8_t t) override { _parent->interference_threshold = t; markDirty(); }
     uint8_t getRxGain() const override { return _parent->rx_boosted_gain; }
     void setRxGain(uint8_t g) override { _parent->rx_boosted_gain = g; markDirty(); }
-    uint8_t getTxPower() const override { return _parent->tx_power_dbm; }
-    void setTxPower(uint8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
+    int8_t getTxPower() const override { return _parent->tx_power_dbm; }
+    void setTxPower(int8_t dbm) override { _parent->tx_power_dbm = dbm; markDirty(); }
     float getRxDelay() const override { return _parent->rx_delay_base; }
     void setRxDelay(float d) override { _parent->rx_delay_base = d; markDirty(); }
     uint16_t getAgcResetInt() const override { return _parent->agc_reset_interval * 4; }
diff --git a/src/helpers/CommonRadioPrefs.h b/src/helpers/CommonRadioPrefs.h
index 0e83ca9dfdb..d0083b8c73b 100644
--- a/src/helpers/CommonRadioPrefs.h
+++ b/src/helpers/CommonRadioPrefs.h
@@ -35,8 +35,8 @@ class CommonRadioPrefs : public ConfigSerializer, public KeyValueStore {
   virtual uint8_t getRxGain() const = 0;
   virtual void setRxGain(uint8_t g) = 0;
 
-  virtual uint8_t getTxPower() const = 0;
-  virtual void setTxPower(uint8_t dbm) = 0;
+  virtual int8_t getTxPower() const = 0;
+  virtual void setTxPower(int8_t dbm) = 0;
 
   virtual float getRxDelay() const = 0;
   virtual void setRxDelay(float d) = 0;