diff --git a/htdocs/variants/class/ProductCombination.class.php b/htdocs/variants/class/ProductCombination.class.php
index 128c1974c77..118953c25ad 100644
--- a/htdocs/variants/class/ProductCombination.class.php
+++ b/htdocs/variants/class/ProductCombination.class.php
@@ -326,14 +326,20 @@ class ProductCombination
 
 		$child = new Product($this->db);
 		$child->fetch($this->fk_product_child);
-		$child->price_autogen = $parent->price_autogen;
+		
+    $child->price_autogen = $parent->price_autogen;
 		$child->weight = $parent->weight;
 		if ($this->variation_weight) {	// If we must add a delta on weight
 			$child->weight = ($child->weight ? $child->weight : 0) + $this->variation_weight;
 		}
-		$child->weight_units = $parent->weight_units;
-		$varlabel = $this->getCombinationLabel($this->fk_product_child);
-		$child->label = $parent->label.$varlabel;
+    $child->weight_units    = $parent->weight_units;
+
+    // Don't update the child label if the user has already modified it.
+    if ($child->label == $parent->label) {
+            // This will trigger only at variant creation time
+            $varlabel               = $this->getCombinationLabel($this->fk_product_child);
+            $child->label           = $parent->label.$varlabel;;
+    }
 
 		if ($child->update($child->id, $user) > 0) {
 			$new_vat = $parent->tva_tx;