diff --git a/templategen/templategen.go b/templategen/templategen.go
index 974aefa..40f371b 100644
--- a/templategen/templategen.go
+++ b/templategen/templategen.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"strings"
 	"time"
 )
 
@@ -97,6 +98,7 @@ func AmoContactsFieldsToRuMap(data []amo.Contact) []interface{} {
 func AmoCustomFieldsToMap(data []amo.CustomField) map[string]interface{} {
 	result := map[string]interface{}{}
 	for _, field := range data {
+		field.FieldName = strings.Replace(field.FieldName, " ", "_", -1)
 		switch len(field.Values) {
 		case 0:
 			result[field.FieldName] = ""