diff --git a/examples/Importers/ImportURDFDemo/URDF2Bullet.cpp b/examples/Importers/ImportURDFDemo/URDF2Bullet.cpp
index 2df69c430..fcee5a150 100644
--- a/examples/Importers/ImportURDFDemo/URDF2Bullet.cpp
+++ b/examples/Importers/ImportURDFDemo/URDF2Bullet.cpp
@@ -285,9 +285,9 @@ void ConvertURDF2BulletInternal(
             if (!(flags & CUF_USE_URDF_INERTIA))
             {
                 compoundShape->calculateLocalInertia(mass, localInertiaDiagonal);
-                assert(localInertiaDiagonal[0] < 1e10);
-                assert(localInertiaDiagonal[1] < 1e10);
-                assert(localInertiaDiagonal[2] < 1e10);
+                btAssert(localInertiaDiagonal[0] < 1e10);
+                btAssert(localInertiaDiagonal[1] < 1e10);
+                btAssert(localInertiaDiagonal[2] < 1e10);
             }
             URDFLinkContactInfo contactInfo;
             u2b.getLinkContactInfo(urdfLinkIndex,contactInfo);