diff --git a/nanovna.h b/nanovna.h
index 64f265c..4e11dfc 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -887,7 +887,7 @@ typedef int16_t  pureRSSI_t;
 // External programm zero level settings (need decrease on this value -)
 #define EXT_ZERO_LEVEL            (128)
 #define DEVICE_TO_PURE_RSSI(rssi) ((rssi)<<4)
-#define float_TO_PURE_RSSI(rssi)  ((rssi)*32.0)
+#define float_TO_PURE_RSSI(rssi)  ((rssi)*32)
 #define PURE_TO_float(rssi)       ((rssi)/32.0)
 
 extern uint16_t actual_rbw_x10;
diff --git a/sa_core.c b/sa_core.c
index e0baeaa..4909937 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -353,7 +353,7 @@ float get_attenuation(void)
 static pureRSSI_t get_signal_path_loss(void){
 #ifdef __ULTRA__
   if (setting.mode == M_ULTRA)
-    return -float_TO_PURE_RSSI(15);       // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
+    return float_TO_PURE_RSSI(-15);       // Loss in dB, -9.5 for v0.1, -12.5 for v0.2
 #endif
   if (setting.mode == M_LOW)
     return float_TO_PURE_RSSI(-5.5);      // Loss in dB, -9.5 for v0.1, -12.5 for v0.2