diff --git a/Common/LuaBindings.cpp b/Common/LuaBindings.cpp
index 71157cadbc6035bd259183238cd871638d5bb0a1..f0e3bc9df306ebce9cf58262cba86c75e988ce03 100644
--- a/Common/LuaBindings.cpp
+++ b/Common/LuaBindings.cpp
@@ -20,6 +20,7 @@
 #include "dgConservationLawWaveEquation.h"
 #include "dgRungeKutta.h"
 #include "dgSystemOfEquations.h"
+#include "dgLimiter.h"
 
 extern "C" {
   #include "lua.h"
@@ -282,6 +283,8 @@ binding::binding(){
   DocRecord::registerBindings(this);
   GEntity::registerBindings(this);
   GFace::registerBindings(this);
+  dgLimiter::registerBindings(this);
+  dgSlopeLimiter::registerBindings(this);
 }
 binding *binding::_instance=NULL;
 #endif
diff --git a/Solver/TESTCASES/RayleighTaylor.lua b/Solver/TESTCASES/RayleighTaylor.lua
index f51fe544d922a1fce2d05c430630b5d0254eeb76..04c9f18298bb9ec457176bec238fb596d383b8e2 100644
--- a/Solver/TESTCASES/RayleighTaylor.lua
+++ b/Solver/TESTCASES/RayleighTaylor.lua
@@ -72,7 +72,7 @@ law:addBoundaryCondition('Top',law:newOutsideValueBoundary(FS))
 GC=dgGroupCollection(myModel,2,order)
 solution=dgDofContainer(GC,4)
 solution:L2Projection(FS)
-limiter=dgSlopeLimiter(law)
+limiter = dgSlopeLimiter(law)
 -- limiter:apply(solution)
 GC:buildGroupsOfInterfaces(myModel,2,order)
 
diff --git a/Solver/dgLimiter.cpp b/Solver/dgLimiter.cpp
index b21fd1b79783eb635b1c0fece8a7f7f0b62235e4..518674751dc7900bd915bcaf14c29441ceb396cf 100644
--- a/Solver/dgLimiter.cpp
+++ b/Solver/dgLimiter.cpp
@@ -4,7 +4,7 @@
 #include "function.h"
 
 //----------------------------------------------------------------------------------   
-bool dgSlopeLimiter::apply ( dgDofContainer *solution)
+int dgSlopeLimiter::apply ( dgDofContainer *solution)
 {    
   dgGroupCollection *groups=solution->getGroups();
   solution->scatter();
@@ -118,7 +118,7 @@ bool dgSlopeLimiter::apply ( dgDofContainer *solution)
       }
     }
   }  
-  return true; 
+  return 1; 
 }
 
 #include "Bindings.h"
@@ -127,9 +127,9 @@ void dgLimiter::registerBindings(binding *b) {
   classBinding *cb = b->addClass<dgLimiter>("dgLimiter");
   cb->setDescription("Parent class for limiters");
   methodBinding *cm;
-//  cm = cb->addMethod("apply",&dgLimiter::apply);
-//  cm->setArgNames("solution",NULL);
-//  cm->setDescription("apply the limiter on the solution");
+  cm = cb->addMethod("apply",&dgLimiter::apply);
+  cm->setArgNames("solution",NULL);
+  cm->setDescription("apply the limiter on the solution");
 }
 
 void dgSlopeLimiter::registerBindings(binding *b) {
@@ -139,5 +139,6 @@ void dgSlopeLimiter::registerBindings(binding *b) {
   cm = cb->setConstructor<dgSlopeLimiter,dgConservationLaw *>();
   cm->setDescription("A new explicit slope limiter");
   cm->setArgNames("law",NULL);
+  cb->setParentClass<dgLimiter>();
 }
 
diff --git a/Solver/dgLimiter.h b/Solver/dgLimiter.h
index f0c115337f4493da96e5a2422687d0602f665d94..5e4072beae20dc5e1622ad7f753ae4bdf2af25bd 100644
--- a/Solver/dgLimiter.h
+++ b/Solver/dgLimiter.h
@@ -13,14 +13,14 @@ protected:
   dgConservationLaw *_claw;
 public:
   dgLimiter (dgConservationLaw *claw) : _claw(claw) {}
-  virtual bool apply ( dgDofContainer *sol)=0;
+  virtual int apply ( dgDofContainer *sol)=0;
   static void registerBindings(binding *b);
 };
 
 class dgSlopeLimiter : public dgLimiter{
 public :
   dgSlopeLimiter (dgConservationLaw *claw) : dgLimiter (claw) {}
-  virtual bool apply ( dgDofContainer *solution);
+  virtual int apply ( dgDofContainer *solution);
   static void registerBindings(binding *b);
 };