diff --git a/src/schemes/boundary/system.jl b/src/schemes/boundary/system.jl
index 461834b9e..8f181ce7e 100644
--- a/src/schemes/boundary/system.jl
+++ b/src/schemes/boundary/system.jl
@@ -273,6 +273,24 @@ end
     return zero(SVector{ndims(system), eltype(system)})
 end
 
+@inline function current_acceleration(system::BoundarySPHSystem, particle)
+    return current_acceleration(system, system.movement, particle)
+end
+
+@inline function current_acceleration(system, movement, particle)
+    (; cache, ismoving) = system
+
+    if ismoving[]
+        return extract_svector(cache.acceleration, system, particle)
+    end
+
+    return zero(SVector{ndims(system), eltype(system)})
+end
+
+@inline function current_acceleration(system, movement::Nothing, particle)
+    return zero(SVector{ndims(system), eltype(system)})
+end
+
 @inline function viscous_velocity(v, system::BoundarySPHSystem, particle)
     return viscous_velocity(v, system.boundary_model.viscosity, system, particle)
 end