diff --git a/spec/structure/structure_weir_submerged.spec.ts b/spec/structure/structure_weir_submerged.spec.ts
index e86a30e73d2a23d25783c790c4191fb3428713b2..2f401d3c44b0141a6759aba2381be65ecf7a152f 100644
--- a/spec/structure/structure_weir_submerged.spec.ts
+++ b/spec/structure/structure_weir_submerged.spec.ts
@@ -35,10 +35,9 @@ describe("Class StructureWeirSubmerged: ", () => {
             structTest.prms.Z2.singleValue = 105;
             structTest.prms.ZDV.singleValue = 100;
             const res = structTest.CalcSerie().resultElement;
-            expect(res.log.messages.length).toBe(1);
-            expect(
-                res.log.messages[0].code
-            ).toBe(MessageCode.WARNING_WEIR_SUBMERGENCE_LOWER_THAN_08);
+            expect(res.log.messages.length).toBe(2);
+            const ok = res.log.messages[0].code === MessageCode.WARNING_WEIR_SUBMERGENCE_LOWER_THAN_08 || res.log.messages[1].code === MessageCode.WARNING_WEIR_SUBMERGENCE_LOWER_THAN_08;
+            expect(ok).toBe(true);
         });
     });
 });
diff --git a/spec/structure/structure_weir_submerged_larinier.spec.ts b/spec/structure/structure_weir_submerged_larinier.spec.ts
index 40c0e16849c710c377d8362211f64e421694fe13..ba486d4c254e5b02cf1f8fc3223866fe413f6889 100644
--- a/spec/structure/structure_weir_submerged_larinier.spec.ts
+++ b/spec/structure/structure_weir_submerged_larinier.spec.ts
@@ -54,4 +54,16 @@ describe("Class StructureWeirSubmergedLarinier: ", () => {
             ).toBe(MessageCode.WARNING_SLOT_SUBMERGENCE_NOT_BETWEEN_07_AND_09);
         });
     });
+    describe("Calcul avec h2/h1 < 0.5 (=0.4) : ", () => {
+        it("le log devrait contenir au moins un message d'erreur", () => {
+            const structTest = getStructTest();
+            structTest.prms.Z1.singleValue = 110;
+            structTest.prms.Z2.singleValue = 104;
+            structTest.prms.ZDV.singleValue = 100;
+            const res = structTest.CalcSerie().resultElement;
+            expect(res.log.messages.length).toBe(2);
+            const ok = res.log.messages[0].code === MessageCode.ERROR_STRUCTURE_SUBMERGENCE_LOWER_THAN || res.log.messages[1].code === MessageCode.ERROR_STRUCTURE_SUBMERGENCE_LOWER_THAN;
+            expect(ok).toBe(true);
+        });
+    });
 });