diff --git a/src/RWStepAP214/RWStepAP214_GeneralModule.cxx b/src/RWStepAP214/RWStepAP214_GeneralModule.cxx
index e673f22921..5f89ee2a05 100644
--- a/src/RWStepAP214/RWStepAP214_GeneralModule.cxx
+++ b/src/RWStepAP214/RWStepAP214_GeneralModule.cxx
@@ -3724,11 +3724,14 @@ void RWStepAP214_GeneralModule::FillSharedCase(const Standard_Integer CN,
 	RWStepRepr_RWCompositeShapeAspect tool;
 	tool.Share(anent,iter);
       }
-    case 471: {
+      break;
+    case 471: 
+      {
       DeclareAndCast(StepRepr_DerivedShapeAspect,anent,ent);
       RWStepRepr_RWDerivedShapeAspect tool;
       tool.Share(anent,iter);
-    }
+      }
+      break;
     case 472:  // same as ShapeAspect
       {
 	DeclareAndCast(StepRepr_Extension,anent,ent);
diff --git a/tests/bugs/step/bug25912 b/tests/bugs/step/bug25912
new file mode 100755
index 0000000000..41f1438dc9
--- /dev/null
+++ b/tests/bugs/step/bug25912
@@ -0,0 +1,9 @@
+puts "============"
+puts "OCC25912"
+puts "============"
+puts ""
+#######################################################################
+# Exception during reading STEP file with GD&T
+#######################################################################
+
+ReadStep D [locate_data_file bug25912_GDT_exc.stp]