diff --git a/include/tug/Core/Numeric/BTCS.hpp b/include/tug/Core/Numeric/BTCS.hpp
index 3a875ec..0d2375a 100644
--- a/include/tug/Core/Numeric/BTCS.hpp
+++ b/include/tug/Core/Numeric/BTCS.hpp
@@ -464,7 +464,7 @@ template <class T> void BTCS_LU(SimulationInput<T> &input, int numThreads) {
   if (input.dim == 1) {
     BTCS_1D(input, EigenLUAlgorithm);
   } else {
-    BTCS_2D(input.dim, EigenLUAlgorithm, numThreads);
+    BTCS_2D(input, EigenLUAlgorithm, numThreads);
   }
 }