diff --git a/src/main/java/com/powsybl/sld/server/SingleLineDiagramController.java b/src/main/java/com/powsybl/sld/server/SingleLineDiagramController.java
index 4d55e04..92de3c7 100644
--- a/src/main/java/com/powsybl/sld/server/SingleLineDiagramController.java
+++ b/src/main/java/com/powsybl/sld/server/SingleLineDiagramController.java
@@ -195,10 +195,10 @@ public ResponseEntity<Void> deleteMultipleNetworkAreaDiagramConfigs(@RequestBody
         return ResponseEntity.ok().build();
     }
 
-    @PostMapping(value = "/network-area-diagram/config", params = "duplicateFrom", consumes = MediaType.APPLICATION_JSON_VALUE)
+    @PostMapping(value = "/network-area-diagram/config/{nadConfigUuid}/duplicate")
     @Operation(summary = "Duplicate a network area diagram config")
     @ApiResponse(responseCode = "200", description = "The network area diagram config has been duplicated")
-    public ResponseEntity<UUID> duplicateNetworkAreaDiagramConfig(@RequestParam(name = "duplicateFrom") UUID duplicateFrom) {
+    public ResponseEntity<UUID> duplicateNetworkAreaDiagramConfig(@PathVariable(name = "nadConfigUuid") UUID duplicateFrom) {
         return ResponseEntity.ok().body(networkAreaDiagramService.duplicateNetworkAreaDiagramConfig(duplicateFrom));
     }