diff --git a/engine/timespans.go b/engine/timespans.go
index cbd059309..d4adcf53d 100644
--- a/engine/timespans.go
+++ b/engine/timespans.go
@@ -300,19 +300,6 @@ func (incs Increments) Equal(other Increments) bool {
 	return true
 }
 
-// Estimate whether the increments are the same, ignoring the CompressFactor
-func (incs Increments) SharingSignature(other Increments) bool {
-	if len(other) < len(incs) { // Protect index in case of not being the same size
-		return false
-	}
-	for index, i := range incs {
-		if !i.Equal(other[index]) {
-			return false
-		}
-	}
-	return true
-}
-
 func (incs *Increments) Compress() { // must be pointer receiver
 	var cIncrs Increments
 	for _, incr := range *incs {
@@ -355,6 +342,29 @@ func (incs *Increments) Decompress() { // must be pointer receiver
 	*incs = cIncrs
 }
 
+// Estimate whether the increments are the same ignoring the CompressFactor
+func (incs Increments) SharingSignature(other Increments) bool {
+	var otherCloned Increments // Clone so we don't affect with decompress the original structure
+	if err := utils.Clone(other, &otherCloned); err != nil {
+		return false
+	}
+	var thisCloned Increments
+	if err := utils.Clone(incs, &thisCloned); err != nil {
+		return false
+	}
+	otherCloned.Compress()
+	thisCloned.Compress()
+	if len(other) < len(incs) { // Protect index in case of not being the same size
+		return false
+	}
+	for index, i := range incs {
+		if !i.Equal(other[index]) {
+			return false
+		}
+	}
+	return true
+}
+
 func (incs Increments) GetTotalCost() float64 {
 	cost := 0.0
 	for _, increment := range incs {
@@ -721,19 +731,13 @@ func (ts *TimeSpan) hasBetterRateIntervalThan(interval *RateInterval) bool {
 	ownLeftMargin := ts.RateInterval.Timing.getLeftMargin(ts.TimeStart)
 	ownDistance := ts.TimeStart.Sub(ownLeftMargin)
 
-	//log.Print("OWN LEFT: ", otherLeftMargin)
-	//log.Print("OWN DISTANCE: ", otherDistance)
-	//endOtherDistance := ts.TimeEnd.Sub(otherLeftMargin)
-
 	// if own interval is closer than its better
-	//log.Print(ownDistance)
 	if ownDistance > otherDistance {
 		return false
 	}
 	ownPrice, _, _ := ts.RateInterval.GetRateParameters(ts.GetGroupStart())
 	otherPrice, _, _ := interval.GetRateParameters(ts.GetGroupStart())
 	// if own price is smaller than it's better
-	//log.Print(ownPrice, otherPrice)
 	if ownPrice < otherPrice {
 		return true
 	}
@@ -753,12 +757,16 @@ func (ts *TimeSpan) Equal(other *TimeSpan) bool {
 
 // Estimate if they share charging signature
 func (ts *TimeSpan) SharingSignature(other *TimeSpan) bool {
-	return ts.Increments.SharingSignature(other.Increments) &&
-		ts.RateInterval.Equal(other.RateInterval) &&
-		ts.MatchedSubject == other.MatchedSubject &&
-		ts.MatchedPrefix == other.MatchedPrefix &&
-		ts.MatchedDestId == other.MatchedDestId &&
-		ts.RatingPlanId == other.RatingPlanId
+	if ts.GetCompressFactor() != other.GetCompressFactor() ||
+		!ts.Increments.SharingSignature(other.Increments) ||
+		!ts.RateInterval.Equal(other.RateInterval) ||
+		ts.MatchedSubject != other.MatchedSubject ||
+		ts.MatchedPrefix != other.MatchedPrefix ||
+		ts.MatchedDestId != other.MatchedDestId ||
+		ts.RatingPlanId != other.RatingPlanId {
+		return false
+	}
+	return true
 }
 
 func (ts *TimeSpan) GetCompressFactor() int {
@@ -775,16 +783,9 @@ func (ts *TimeSpan) Merge(other *TimeSpan) bool {
 	} else if !ts.TimeEnd.Equal(other.TimeStart) { // other needs to continue ts for merge to be possible
 		return false
 	}
-	var otherCloned TimeSpan // Clone so we don't affect with decompress the original structure
-	if err := utils.Clone(*other, &otherCloned); err != nil {
-		return false
-	}
-	otherCloned.Increments.Decompress()
-	ts.Increments.Decompress()
-	ts.TimeEnd = otherCloned.TimeEnd
-	ts.Cost += otherCloned.Cost
-	ts.DurationIndex = otherCloned.DurationIndex
-	ts.Increments = append(ts.Increments, otherCloned.Increments...)
-	ts.Increments.Compress()
+	ts.TimeEnd = other.TimeEnd
+	ts.Cost += other.Cost
+	ts.DurationIndex = other.DurationIndex
+	ts.Increments = append(ts.Increments, other.Increments...)
 	return true
 }
diff --git a/engine/timespans_test.go b/engine/timespans_test.go
index 3090ab948..60c47e95d 100644
--- a/engine/timespans_test.go
+++ b/engine/timespans_test.go
@@ -1865,7 +1865,7 @@ func TestTSMerge(t *testing.T) {
 				},
 			},
 		},
-		Cost:          2,
+		Cost:          3,
 		DurationIndex: 1 * time.Minute,
 		Increments: Increments{
 			&Increment{
@@ -1875,14 +1875,7 @@ func TestTSMerge(t *testing.T) {
 					Unit:      &UnitInfo{UUID: "1", DestinationID: "1", Consumed: 2.3, TOR: utils.VOICE, RateInterval: &RateInterval{Rating: &RIRate{Rates: RateGroups{&Rate{GroupIntervalStart: 0, Value: 100, RateIncrement: 10 * time.Second, RateUnit: time.Second}}}}},
 					Monetary:  &MonetaryInfo{UUID: "2"},
 					AccountID: "3"},
-			},
-			&Increment{
-				Duration: time.Minute,
-				Cost:     1,
-				BalanceInfo: &DebitInfo{
-					Unit:      &UnitInfo{UUID: "1", DestinationID: "1", Consumed: 2.3, TOR: utils.VOICE, RateInterval: &RateInterval{Rating: &RIRate{Rates: RateGroups{&Rate{GroupIntervalStart: 0, Value: 100, RateIncrement: 10 * time.Second, RateUnit: time.Second}}}}},
-					Monetary:  &MonetaryInfo{UUID: "2"},
-					AccountID: "3"},
+				CompressFactor: 3,
 			},
 		},
 	}
@@ -1937,7 +1930,7 @@ func TestTSMerge(t *testing.T) {
 				},
 			},
 		},
-		Cost:          4,
+		Cost:          5,
 		DurationIndex: 2 * time.Minute,
 		Increments: Increments{
 			&Increment{
@@ -1947,9 +1940,28 @@ func TestTSMerge(t *testing.T) {
 					Unit:      &UnitInfo{UUID: "1", DestinationID: "1", Consumed: 2.3, TOR: utils.VOICE, RateInterval: &RateInterval{Rating: &RIRate{Rates: RateGroups{&Rate{GroupIntervalStart: 0, Value: 100, RateIncrement: 10 * time.Second, RateUnit: time.Second}}}}},
 					Monetary:  &MonetaryInfo{UUID: "2"},
 					AccountID: "3"},
-				CompressFactor: 4,
+				CompressFactor: 3,
+			},
+			&Increment{
+				Duration: time.Minute,
+				Cost:     1,
+				BalanceInfo: &DebitInfo{
+					Unit:      &UnitInfo{UUID: "1", DestinationID: "1", Consumed: 2.3, TOR: utils.VOICE, RateInterval: &RateInterval{Rating: &RIRate{Rates: RateGroups{&Rate{GroupIntervalStart: 0, Value: 100, RateIncrement: 10 * time.Second, RateUnit: time.Second}}}}},
+					Monetary:  &MonetaryInfo{UUID: "2"},
+					AccountID: "3"},
+				CompressFactor: 1,
+			},
+			&Increment{
+				Duration: time.Minute,
+				Cost:     1,
+				BalanceInfo: &DebitInfo{
+					Unit:      &UnitInfo{UUID: "1", DestinationID: "1", Consumed: 2.3, TOR: utils.VOICE, RateInterval: &RateInterval{Rating: &RIRate{Rates: RateGroups{&Rate{GroupIntervalStart: 0, Value: 100, RateIncrement: 10 * time.Second, RateUnit: time.Second}}}}},
+					Monetary:  &MonetaryInfo{UUID: "2"},
+					AccountID: "3"},
+				CompressFactor: 1,
 			},
 		},
+		CompressFactor: 1,
 	}
 	if merged := tss1.Merge(tss2); !merged {
 		t.Error("Not merged")