diff --git a/Src/Core/FFmmAlgorithm.hpp b/Src/Core/FFmmAlgorithm.hpp
index 317b9cc54674bc2ac0feb37366ae18d682e1de77..55cf6a33327be544124ee490a12a2e2f09e53c13 100755
--- a/Src/Core/FFmmAlgorithm.hpp
+++ b/Src/Core/FFmmAlgorithm.hpp
@@ -81,7 +81,7 @@ public:
 
         if(operationsToProceed & FFmmL2L) downardPass();
 
-        if(operationsToProceed & FFmmP2P || operationsToProceed & FFmmL2P) directPass();
+        if( (operationsToProceed & FFmmP2P) || (operationsToProceed & FFmmL2P) ) directPass();
     }
 
 private:
diff --git a/Src/Core/FFmmAlgorithmThreadProc.hpp b/Src/Core/FFmmAlgorithmThreadProc.hpp
index d2b0f3a2b1f8cb75be98bccc9b5adeec1500eb30..fd0606a060cdef43f92346b5080745a5c70f0555 100755
--- a/Src/Core/FFmmAlgorithmThreadProc.hpp
+++ b/Src/Core/FFmmAlgorithmThreadProc.hpp
@@ -112,7 +112,7 @@ public:
       * An assert is launched if one of the arguments is null
       */
     FFmmAlgorithmThreadProc(const FMpi::FComm& inComm, OctreeClass* const inTree, KernelClass* const inKernels)
-        : tree(inTree) , kernels(0), comm(inComm), numberOfLeafs(0),
+      : tree(inTree) , kernels(0), comm(inComm), iterArray(nullptr), numberOfLeafs(0),
           MaxThreads(omp_get_max_threads()), nbProcess(inComm.processCount()), idProcess(inComm.processId()),
           OctreeHeight(tree->getHeight()),intervals(new Interval[inComm.processCount()]),
           workingIntervalsPerLevel(new Interval[inComm.processCount() * tree->getHeight()]){
@@ -205,7 +205,7 @@ public:
 
         if(operationsToProceed & FFmmL2L) downardPass();
 
-        if(operationsToProceed & FFmmP2P || operationsToProceed & FFmmL2P) directPass();
+        if( (operationsToProceed & FFmmP2P) || (operationsToProceed & FFmmL2P) ) directPass();
 
         // delete array
         delete [] iterArray;