diff --git a/include/astaroth.h b/include/astaroth.h
index ac20d34..2f66354 100644
--- a/include/astaroth.h
+++ b/include/astaroth.h
@@ -241,6 +241,10 @@ AcResult acIntegrateGBC(const AcMeshInfo config, const AcReal dt);
  * the caller*/
 AcResult acBoundcondStep(void);
 
+/** Applies general outer boundary conditions for the Mesh distributed among the devices visible to
+ * the caller*/
+AcResult acBoundcondStepGBC(const AcMeshInfo config);
+
 /** Does a scalar reduction with the data stored in some vertex buffer */
 AcReal acReduceScal(const ReductionType rtype, const VertexBufferHandle vtxbuf_handle);
 
diff --git a/src/core/astaroth.cc b/src/core/astaroth.cc
index c565699..086e512 100644
--- a/src/core/astaroth.cc
+++ b/src/core/astaroth.cc
@@ -117,9 +117,9 @@ acBoundcondStep(void)
 }
 
 AcResult
-acBoundcondStepGBC(void) //TODO ADAPT
+acBoundcondStepGBC(const AcMeshInfo config) 
 {
-    return acNodeGeneralBoundconds(nodes[0], STREAM_DEFAULT);
+    return acNodeGeneralBoundconds(nodes[0], STREAM_DEFAULT, config);
 }
 
 AcReal