diff --git a/src/core/udsentry.h b/src/core/udsentry.h
--- a/src/core/udsentry.h
+++ b/src/core/udsentry.h
@@ -143,17 +143,33 @@
      * insert field with string value
      * @param field numeric field id
      * @param value to set
-     * @note since 5.47, it will assert if the field is already inserted. In that case, use replace() instead.
+     * @deprecated since 5.48 in favor of fastInsert or replace
      */
-    void insert(uint field, const QString &value);
+    KIOCORE_DEPRECATED void insert(uint field, const QString &value);
 
     /**
      * insert field with numeric value
      * @param field numeric field id
      * @param l value to set
-     * @note since 5.47, it will assert if the field is already inserted. In that case, use replace() instead.
+     * @deprecated since 5.48 in favor of fastInsert or replace
      */
-    void insert(uint field, long long l);
+    KIOCORE_DEPRECATED void insert(uint field, long long l);
+
+    /**
+     * insert field with string value, it will assert if the field is already inserted. In that case, use replace() instead.
+     * @param field numeric field id
+     * @param value to set
+     * @since 5.48
+     */
+    void fastInsert(uint field, const QString &value);
+
+    /**
+     * insert field with numeric value, it will assert if the field is already inserted. In that case, use replace() instead.
+     * @param field numeric field id
+     * @param l value to set
+     * @since 5.48
+     */
+    void fastInsert(uint field, long long l);
 
     /**
      * count fields
diff --git a/src/core/udsentry.cpp b/src/core/udsentry.cpp
--- a/src/core/udsentry.cpp
+++ b/src/core/udsentry.cpp
@@ -388,16 +388,26 @@
     d->reserve(size);
 }
 
-void UDSEntry::insert(uint field, const QString &value)
+void UDSEntry::fastInsert(uint field, const QString &value)
 {
     d->insert(field, value);
 }
 
-void UDSEntry::insert(uint field, long long value)
+void UDSEntry::fastInsert(uint field, long long value)
 {
     d->insert(field, value);
 }
 
+void UDSEntry::insert(uint field, const QString &value)
+{
+    d->replace(field, value);
+}
+
+void UDSEntry::insert(uint field, long long value)
+{
+    d->replace(field, value);
+}
+
 void UDSEntry::replace(uint field, const QString &value)
 {
     d->replace(field, value);