diff --git a/dune/tectonic/globalruinanonlinearity.hh b/dune/tectonic/globalruinanonlinearity.hh
index 4c32e19928b250e283e7fe87a4c28676b1e95d94..8f9c5cd940f2392ee3780696922679bade628cc0 100644
--- a/dune/tectonic/globalruinanonlinearity.hh
+++ b/dune/tectonic/globalruinanonlinearity.hh
@@ -23,7 +23,7 @@ class GlobalRuinaNonlinearity
 public:
   using GlobalNonlinearity<MatrixType, VectorType>::dim;
 
-  GlobalRuinaNonlinearity(dataref nodalIntegrals, dataref a, dataref mu,
+  GlobalRuinaNonlinearity(dataref nodalIntegrals, dataref a, dataref mu0,
                           dataref V0, dataref normalStress, dataref b,
                           dataref state, dataref L)
       : restrictions(nodalIntegrals.size()) {
@@ -34,7 +34,7 @@ class GlobalRuinaNonlinearity
                             ? trivialNonlinearity
                             : make_shared<LocalNonlinearity<dim> const>(
                                   make_shared<RuinaFunction const>(
-                                      nodalIntegrals[i], a[i], mu[i], V0[i],
+                                      nodalIntegrals[i], a[i], mu0[i], V0[i],
                                       normalStress[i], b[i], state[i], L[i]));
     }
   }