diff --git a/fleprocess/adif_write.go b/fleprocess/adif_write.go
index 132a274..0b177db 100644
--- a/fleprocess/adif_write.go
+++ b/fleprocess/adif_write.go
@@ -69,6 +69,7 @@ func buildAdif(fullLog []LogLine, isWWFF bool, isSOTA bool) (adifList []string)
 			adifLine.WriteString(adifElement("MY_SIG", "WWFF"))
 			adifLine.WriteString(adifElement("MY_SIG_INFO", logLine.MyWWFF))
 			if logLine.WWFF != "" {
+				adifLine.WriteString(adifElement("SIG", "WWFF"))
 				adifLine.WriteString(adifElement("SIG_INFO",logLine.WWFF))
 			}
 		}
diff --git a/fleprocess/adif_write_test.go b/fleprocess/adif_write_test.go
index 9bc637e..04c4041 100644
--- a/fleprocess/adif_write_test.go
+++ b/fleprocess/adif_write_test.go
@@ -80,6 +80,20 @@ func Test_buildAdif(t *testing.T) {
 		"<STATION_CALLSIGN:8>ON4KJM/P <CALL:5>ON4LY <QSO_DATE:8>20200524 <TIME_ON:4>1312 <BAND:3>20m <MODE:2>CW <RST_SENT:3>559 <RST_RCVD:3>599 <MY_SIG:4>WWFF <MY_SIG_INFO:9>ONFF-0259 <OPERATOR:6>ON4KJM <MY_GRIDSQUARE:6>JO40eu <EOR>",
 	}
 
+	sampleFilledLog3 := []LogLine{
+		{MyCall: "ON4KJM/P", Call: "S57LC", Date: "2020-05-24", MyGrid: "JO40eu", Time: "1310", Band: "20m", Frequency: "14.045", Mode: "CW", RSTsent: "599", RSTrcvd: "599", GridLoc: "JO50", MyWWFF: "ONFF-0259", Operator: "ON4KJM", Nickname: "ONFF-0259-1"},
+		{MyCall: "ON4KJM/P", Call: "ON4LY", Date: "2020-05-24", MyGrid: "JO40eu", Time: "1312", Band: "20m", Mode: "CW", RSTsent: "559", RSTrcvd: "599", MyWWFF: "ONFF-0259", Operator: "ON4KJM", WWFF: "DLFF-0001"},
+	}
+
+	expectedOutput3 := []string{
+		"ADIF Export for Fast Log Entry by DF3CB",
+		"<PROGRAMID:3>FLE",
+		"<ADIF_VER:5>3.1.0",
+		"<EOH>",
+		"<STATION_CALLSIGN:8>ON4KJM/P <CALL:5>S57LC <QSO_DATE:8>20200524 <TIME_ON:4>1310 <BAND:3>20m <MODE:2>CW <FREQ:6>14.045 <RST_SENT:3>599 <RST_RCVD:3>599 <GRIDSQUARE:4>JO50 <MY_SIG:4>WWFF <MY_SIG_INFO:9>ONFF-0259 <OPERATOR:6>ON4KJM <MY_GRIDSQUARE:6>JO40eu <APP_EQSL_QTH_NICKNAME:11>ONFF-0259-1 <EOR>",
+		"<STATION_CALLSIGN:8>ON4KJM/P <CALL:5>ON4LY <QSO_DATE:8>20200524 <TIME_ON:4>1312 <BAND:3>20m <MODE:2>CW <RST_SENT:3>559 <RST_RCVD:3>599 <MY_SIG:4>WWFF <MY_SIG_INFO:9>ONFF-0259 <SIG:4>WWFF <SIG_INFO:9>DLFF-0001 <OPERATOR:6>ON4KJM <MY_GRIDSQUARE:6>JO40eu <EOR>",
+	}
+
 	type args struct {
 		fullLog []LogLine
 		isWWFF  bool
@@ -100,6 +114,11 @@ func Test_buildAdif(t *testing.T) {
 			args{fullLog: sampleFilledLog2, isWWFF: true, isSOTA: false},
 			expectedOutput2,
 		},
+		{
+			"Happy case-Park2Park",
+			args{fullLog: sampleFilledLog3, isWWFF: true, isSOTA: false},
+			expectedOutput3,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {