diff --git a/Loop/Managers/CGM/DexCGMManager.swift b/Loop/Managers/CGM/DexCGMManager.swift
index 30fd0fbaa3..b06112caf6 100644
--- a/Loop/Managers/CGM/DexCGMManager.swift
+++ b/Loop/Managers/CGM/DexCGMManager.swift
@@ -116,10 +116,7 @@ final class ShareClientManager: CGMManager {
 
 
 final class G5CGMManager: DexCGMManager, TransmitterDelegate {
-    func transmitter(_ transmitter: Transmitter, didReadBackfill glucose: [Glucose]) {
-        // Not implemented yet
-    }
-    
+
     private let transmitter: Transmitter?
     let logger = DiagnosticLogger.shared!.forCategory("G5CGMManager")
 
@@ -234,6 +231,12 @@ final class G5CGMManager: DexCGMManager, TransmitterDelegate {
             ]))
     }
 
+    func transmitter(_ transmitter: Transmitter, didReadBackfill glucose: [Glucose]) {
+        for g in glucose.sorted(by: { $0.readDate < $1.readDate }) {
+            self.transmitter(transmitter, didRead: g)
+        }
+    }
+
     func transmitter(_ transmitter: Transmitter, didReadUnknownData data: Data) {
         logger.error("Unknown sensor data: " + data.hexadecimalString)
         // This can be used for protocol discovery, but isn't necessary for normal operation