diff --git a/src/Routing.jl b/src/Routing.jl
index 10dfea9..c088875 100644
--- a/src/Routing.jl
+++ b/src/Routing.jl
@@ -30,7 +30,7 @@ function update_state_from_hillslope!(
     hillslope_model::HM,
     static_env::SE,
     dyn_env::DE
-) where {RS <: RiverState, HM <: AbstractHillslopeModel, SE <: StaticEnvironment, DE <: DynamicEnvironmen}
+) where {RS <: RiverState, HM <: AbstractHillslopeModel, SE <: StaticEnvironment, DE <: DynamicEnvironment}
     # Constants
     day_to_s = 86400
     km²_to_m² = 1000000