diff --git a/storage/fileTransfer/receiveTransfer.go b/storage/fileTransfer/receiveTransfer.go
index 1f5d0756c33fe1fe66931ed7789886a865ca2c23..df4bad66163245c9593bfbbc949d73ccf04b5bc3 100644
--- a/storage/fileTransfer/receiveTransfer.go
+++ b/storage/fileTransfer/receiveTransfer.go
@@ -244,7 +244,7 @@ func (rt *ReceivedTransfer) stopScheduledProgressCB() error {
 		err := cb.stopThread()
 		if err != nil {
 			failedCallbacks = append(failedCallbacks, i)
-			jww.WARN.Print(err.Error())
+			jww.WARN.Printf("[FT] %s", err)
 		}
 	}
 
diff --git a/storage/fileTransfer/sentFileTransfers.go b/storage/fileTransfer/sentFileTransfers.go
index b68c265b18ee9735b35d330e7342b5cdffef2c9b..485eb67d062eca8ccb75f9b53bda262d64996eb3 100644
--- a/storage/fileTransfer/sentFileTransfers.go
+++ b/storage/fileTransfer/sentFileTransfers.go
@@ -36,7 +36,7 @@ const (
 
 	newSentTransferErr    = "failed to create new sent transfer: %+v"
 	getSentTransferErr    = "sent file transfer not found"
-	cancelCallbackErr     = "Transfer with ID %s: %+v"
+	cancelCallbackErr     = "[FT] Transfer with ID %s: %+v"
 	deleteSentTransferErr = "failed to delete sent transfer with ID %s from store: %+v"
 )
 
diff --git a/storage/fileTransfer/sentPartTracker.go b/storage/fileTransfer/sentPartTracker.go
index b65a6aa115ab9d046086cb8e3fdfe68804665e0b..b5d30cf6e8960e404f8171b6ba00ed0fa508d8e6 100644
--- a/storage/fileTransfer/sentPartTracker.go
+++ b/storage/fileTransfer/sentPartTracker.go
@@ -13,6 +13,12 @@ import (
 	"gitlab.com/elixxir/client/storage/utility"
 )
 
+// Error messages.
+const (
+	// sentPartTracker.GetPartStatus
+	getInvalidPartErr = "[FT] Failed to get status for part %d: %+v"
+)
+
 // sentPartTracker tracks the status of individual sent file parts.
 type sentPartTracker struct {
 	// The number of file parts in the file
@@ -39,7 +45,7 @@ func newSentPartTracker(partStats *utility.MultiStateVector) sentPartTracker {
 func (spt sentPartTracker) GetPartStatus(partNum uint16) interfaces.FpStatus {
 	status, err := spt.partStats.Get(partNum)
 	if err != nil {
-		jww.FATAL.Fatalf("failed to get status for part %d: %+v", partNum, err)
+		jww.FATAL.Fatalf(getInvalidPartErr, partNum, err)
 	}
 	return interfaces.FpStatus(status)
 }
diff --git a/storage/fileTransfer/sentTransfer.go b/storage/fileTransfer/sentTransfer.go
index 351c50a78b607af43edde1b95c0470c4f5ba4f3e..a91a59847fee21466f0bff6a80a49ad01b67c82d 100644
--- a/storage/fileTransfer/sentTransfer.go
+++ b/storage/fileTransfer/sentTransfer.go
@@ -388,7 +388,7 @@ func (st *SentTransfer) stopScheduledProgressCB() error {
 		err := cb.stopThread()
 		if err != nil {
 			failedCallbacks = append(failedCallbacks, i)
-			jww.WARN.Print(err.Error())
+			jww.WARN.Printf("[FT] %s", err)
 		}
 	}