diff --git a/src/cpu/VirtualFluidsCore/Grid/Grid3D.cpp b/src/cpu/VirtualFluidsCore/Grid/Grid3D.cpp
index 6c00ae5b2e1cd9f4d89ea9aefd1fc979120b28c6..ac4577abfcb3b4dc3b453c9b9f6181a9fcca96b2 100644
--- a/src/cpu/VirtualFluidsCore/Grid/Grid3D.cpp
+++ b/src/cpu/VirtualFluidsCore/Grid/Grid3D.cpp
@@ -183,7 +183,7 @@ void Grid3D::addBlock(SPtr<Block3D> block)
    {
       this->blockIdMap.insert(std::make_pair(block->getGlobalID(), block));
       int level = block->getLevel();
-      this->levelSet[level].insert(std::make_pair(Block3DKey(block->getX1(), block->getX2(), block->getX3()), block)).second;
+      this->levelSet[level].insert(std::make_pair(Block3DKey(block->getX1(), block->getX2(), block->getX3()), block));
    }
 }
 //////////////////////////////////////////////////////////////////////////
diff --git a/src/cpu/VirtualFluidsCore/Interactors/D3Q27Interactor.cpp b/src/cpu/VirtualFluidsCore/Interactors/D3Q27Interactor.cpp
index ed3f9e932438634337ef170cb5906d4b16f6a8ba..d8daaccd8e9d3f01ee1cc63fe27ad4b9f6c30bc8 100644
--- a/src/cpu/VirtualFluidsCore/Interactors/D3Q27Interactor.cpp
+++ b/src/cpu/VirtualFluidsCore/Interactors/D3Q27Interactor.cpp
@@ -129,7 +129,7 @@ void D3Q27Interactor::initInteractor(const double& timeStep)
    //////////////////////////////////////////////////////////////////////////
    //init bcs
    int nofAdapter = (int)bcAdapters.size();
-   if(nofAdapter==0) UBLOG(logWARNING,"WARNING - D3Q27Interactor::initInteractor Warning - no nodeAdapter available");
+   if(nofAdapter==0) { UBLOG(logWARNING,"WARNING - D3Q27Interactor::initInteractor Warning - no nodeAdapter available"); }
    bool needTimeDependence = false;
    for(int pos=0; pos<nofAdapter; ++pos)
    {
@@ -149,7 +149,7 @@ void D3Q27Interactor::updateInteractor(const double& timestep)
    //////////////////////////////////////////////////////////////////////////
    //update bcs
    int nofAdapter = (int)bcAdapters.size();
-   if(nofAdapter==0) UBLOG(logERROR,"WARNING - D3Q27Interactor::updateInteractor Warning - no nodeAdapter available for ");
+   if(nofAdapter==0) { UBLOG(logERROR,"WARNING - D3Q27Interactor::updateInteractor Warning - no nodeAdapter available for "); }
 
    bool needTimeDependence = false;