diff --git a/app/src/main/java/com/eveningoutpost/dexdrip/models/Calibration.java b/app/src/main/java/com/eveningoutpost/dexdrip/models/Calibration.java
index a2fd9e97d2..6b1a38fcf5 100644
--- a/app/src/main/java/com/eveningoutpost/dexdrip/models/Calibration.java
+++ b/app/src/main/java/com/eveningoutpost/dexdrip/models/Calibration.java
@@ -41,6 +41,7 @@
 
 import static com.eveningoutpost.dexdrip.models.BgReading.isDataSuitableForDoubleCalibration;
 import static com.eveningoutpost.dexdrip.calibrations.PluggableCalibration.newFingerStickData;
+import static com.eveningoutpost.dexdrip.utils.DexCollectionType.getDexCollectionType;
 
 
 class DexParameters extends SlopeParameters {
@@ -639,7 +640,7 @@ public static Calibration create(double bg, long timeoffset, Context context, bo
                     } else {
                         Log.d(TAG, "Follower mode or note so not processing calibration deeply");
                     }
-                } else {
+                } else if (SensorSanity.isRawCapable(getDexCollectionType())) { // Only if the sensor can provide raw values
                     final String msg = "Sensor data fails sanity test - Cannot Calibrate! raw:" + bgReading.raw_data;
                     UserError.Log.e(TAG, msg);
                     JoH.static_toast_long(msg);
diff --git a/app/src/main/java/com/eveningoutpost/dexdrip/models/SensorSanity.java b/app/src/main/java/com/eveningoutpost/dexdrip/models/SensorSanity.java
index 6891c76048..fdeaad16b3 100644
--- a/app/src/main/java/com/eveningoutpost/dexdrip/models/SensorSanity.java
+++ b/app/src/main/java/com/eveningoutpost/dexdrip/models/SensorSanity.java
@@ -1,5 +1,7 @@
 package com.eveningoutpost.dexdrip.models;
 
+import static com.eveningoutpost.dexdrip.utils.DexCollectionType.getDexCollectionType;
+
 import com.eveningoutpost.dexdrip.Home;
 import com.eveningoutpost.dexdrip.models.UserError.Log;
 import com.eveningoutpost.dexdrip.utilitymodels.PersistentStore;
@@ -25,12 +27,16 @@ public class SensorSanity {
 
     private static final String TAG = "SensorSanity";
 
+    public static boolean isRawCapable(DexCollectionType type) { // This is true only if the sensor can provide raw values
+        return (DexCollectionType.hasDexcomRaw(type) || DexCollectionType.hasLibre(type) || type == DexCollectionType.Medtrum);
+    }
+
     public static boolean isRawValueSane(double raw_value) {
-        return isRawValueSane(raw_value, DexCollectionType.getDexCollectionType(), false);
+        return isRawValueSane(raw_value, getDexCollectionType(), false);
     }
 
     public static boolean isRawValueSane(double raw_value, boolean hard) {
-        return isRawValueSane(raw_value, DexCollectionType.getDexCollectionType(), hard);
+        return isRawValueSane(raw_value, getDexCollectionType(), hard);
     }
 
     public static boolean isRawValueSane(double raw_value, DexCollectionType type) {
@@ -71,7 +77,7 @@ public static boolean isRawValueSane(double raw_value, DexCollectionType type, b
             else if (raw_value > DEXCOM_MAX_RAW) state = false;
         }
 
-        if (!state) {
+        if (!state && isRawCapable(type)) {
             if (JoH.ratelimit("sanity-failure", 20)) {
                 final String msg = "Sensor Raw Data Sanity Failure: " + raw_value;
                 UserError.Log.e(TAG, msg);