diff --git a/main/gen_gdl90.go b/main/gen_gdl90.go
index 248bc650..23a73f4e 100644
--- a/main/gen_gdl90.go
+++ b/main/gen_gdl90.go
@@ -504,7 +504,7 @@ type settings struct {
 	AHRS_Enabled   bool
 	DEBUG          bool
 	ReplayLog      bool // Startup only option. Cannot be changed during runtime.
-	PPM            uint16
+	PPM            int
 }
 
 type status struct {
diff --git a/main/sdr.go b/main/sdr.go
index 32321642..34a81c1e 100644
--- a/main/sdr.go
+++ b/main/sdr.go
@@ -102,7 +102,7 @@ func sdrReader() {
 	//---------- Get/Set Freq Correction ----------
 	freqCorr := dev.GetFreqCorrection()
 	log.Printf("\tGetFreqCorrection: %d\n", freqCorr)
-	err = dev.SetFreqCorrection(int(globalSettings.PPM))
+	err = dev.SetFreqCorrection(globalSettings.PPM)
 	if err != nil {
 		log.Printf("\tSetFreqCorrection %d Failed, error: %s\n", globalSettings.PPM, err)
 	} else {