diff --git a/engine/loader_csv.go b/engine/loader_csv.go
index fdbf94ee2..e0b8a4019 100644
--- a/engine/loader_csv.go
+++ b/engine/loader_csv.go
@@ -438,7 +438,7 @@ func (csvr *CSVReader) LoadDestinationRates() (err error) {
 			log.Printf("Error parsing rounding decimals: %s", record[4])
 			return err
 		}
-		maxCost, err := strconv.ParseFloat(record[5], 64)
+		maxCost, err := strconv.ParseFloat(ValueOrDefault(record[5], "0"), 64)
 		if err != nil {
 			log.Printf("Error parsing max cost from: %v", record[5])
 			return err
diff --git a/engine/loader_csv_test.go b/engine/loader_csv_test.go
index c9de2d5d9..73681676b 100644
--- a/engine/loader_csv_test.go
+++ b/engine/loader_csv_test.go
@@ -83,8 +83,8 @@ T1,NAT,LANDLINE_OFFPEAK,*middle,4,0,
 T2,GERMANY,GBP_72,*middle,4,0,
 T2,GERMANY_O2,GBP_70,*middle,4,0,
 T2,GERMANY_PREMIUM,GBP_71,*middle,4,0,
-DR_UK_Mobile_BIG5_PKG,DST_UK_Mobile_BIG5,RT_UK_Mobile_BIG5_PKG,*middle,4,0,
-DR_UK_Mobile_BIG5,DST_UK_Mobile_BIG5,RT_UK_Mobile_BIG5,*middle,4,0,
+DR_UK_Mobile_BIG5_PKG,DST_UK_Mobile_BIG5,RT_UK_Mobile_BIG5_PKG,*middle,4,,
+DR_UK_Mobile_BIG5,DST_UK_Mobile_BIG5,RT_UK_Mobile_BIG5,*middle,4,,
 DATA_RATE,*any,LANDLINE_OFFPEAK,*middle,4,0,
 RT_URG,URG,R_URG,*middle,4,0,
 MX_FREE,RET,MX,*middle,4,10,*free
diff --git a/engine/loader_helpers.go b/engine/loader_helpers.go
index fbb9e4f51..dcafa1f21 100644
--- a/engine/loader_helpers.go
+++ b/engine/loader_helpers.go
@@ -371,7 +371,7 @@ var FileValidators = map[string]*FileLineRegexValidator{
 		regexp.MustCompile(`(?:\w+\s*),(?:\d+\.*\d*s*),(?:\d+\.*\d*s*),(?:\d+\.*\d*(ns|us|µs|ms|s|m|h)*\s*),(?:\d+\.*\d*(ns|us|µs|ms|s|m|h)*\s*),(?:\d+\.*\d*(ns|us|µs|ms|s|m|h)*\s*)$`),
 		"Tag([0-9A-Za-z_]),ConnectFee([0-9.]),Rate([0-9.]),RateUnit([0-9.]ns|us|µs|ms|s|m|h),RateIncrementStart([0-9.]ns|us|µs|ms|s|m|h),GroupIntervalStart([0-9.]ns|us|µs|ms|s|m|h)"},
 	utils.DESTINATION_RATES_CSV: &FileLineRegexValidator{utils.DESTINATION_RATES_NRCOLS,
-		regexp.MustCompile(`^(?:\w+\s*),(?:\w+\s*|\*any),(?:\w+\s*),(?:\*up|\*down|\*middle),(?:\d+),(?:\d+\.*\d*s*),(?:\*free|\*diconnect)?$`),
+		regexp.MustCompile(`^(?:\w+\s*),(?:\w+\s*|\*any),(?:\w+\s*),(?:\*up|\*down|\*middle),(?:\d+),(?:\d+\.*\d*s*)?,(?:\*free|\*diconnect)?$`),
 		"Tag([0-9A-Za-z_]),DestinationsTag([0-9A-Za-z_]|*any),RatesTag([0-9A-Za-z_]),RoundingMethod(*up|*middle|*down),RoundingDecimals([0-9.])"},
 	utils.RATING_PLANS_CSV: &FileLineRegexValidator{utils.DESTRATE_TIMINGS_NRCOLS,
 		regexp.MustCompile(`(?:\w+\s*,\s*){3}(?:\d+.?\d*){1}$`),
diff --git a/engine/loader_helpers_test.go b/engine/loader_helpers_test.go
index bcdaf7d2b..7cf658c0a 100644
--- a/engine/loader_helpers_test.go
+++ b/engine/loader_helpers_test.go
@@ -49,6 +49,7 @@ var destRatesSample = `#Tag,DestinationsTag,RatesTag,MaxCost,MaxCostStrategy
 DR_RETAIL,GERMANY,RT_1CENT,*up,0,0,
 DUMMY,INVALID;DATA
 DR_DATA_1,*any,RT_DATA_2c,*up,2,0,
+_TNT_1211_01_V_ANY,CST_1246534_BRB02,C_TNT_1211_01_V_1246534_BRB02_ANY,*up,2,,
 `
 var ratingPlansSample = `#Tag,DestinationRatesTag,TimingTag,Weight
 RP_RETAIL,DR_RETAIL,ALWAYS,10
@@ -197,7 +198,7 @@ func TestDestRatesValidator(t *testing.T) {
 			if valid {
 				t.Error("Validation passed for invalid line", string(ln))
 			}
-		case 2, 4:
+		case 2, 4, 5:
 			if !valid {
 				t.Error("Validation did not pass for valid line", string(ln))
 			}