diff --git a/ext/MetaData/steering.jl b/ext/MetaData/steering.jl
index a86796a8..8dfec221 100644
--- a/ext/MetaData/steering.jl
+++ b/ext/MetaData/steering.jl
@@ -3,7 +3,7 @@ steering_meta = OrderedDict(
     :parameters => (
         t0=0,
         a=100,
-        u_min=-π/2,
+        u_min=(-π/2),
         u_max=π/2,
         tf_l=0,
         x₁_t0=0,