diff --git a/CMakeLists.txt b/CMakeLists.txt
index a399e11168..b7fa55d4a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ if (WIN32)
 elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
   #SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic")
   #SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-unknown-pragmas")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-strict-aliasing")
 endif(WIN32)
 
 if (NOT QT_CMAKE_PREFIX_PATH)
diff --git a/interface/src/ui/MetavoxelEditor.cpp b/interface/src/ui/MetavoxelEditor.cpp
index a42c84470b..c1deb20111 100644
--- a/interface/src/ui/MetavoxelEditor.cpp
+++ b/interface/src/ui/MetavoxelEditor.cpp
@@ -771,7 +771,7 @@ int VoxelizationVisitor::visit(MetavoxelInfo& info) {
         }
         return DEFAULT_ORDER;
     }
-    QRgb closestColor;
+    QRgb closestColor = QRgb();
     float closestDistance = FLT_MAX;
     for (unsigned int i = 0; i < sizeof(DIRECTION_ROTATIONS) / sizeof(DIRECTION_ROTATIONS[0]); i++) {
         glm::vec3 rotated = DIRECTION_ROTATIONS[i] * center;
diff --git a/libraries/metavoxels/src/MetavoxelData.cpp b/libraries/metavoxels/src/MetavoxelData.cpp
index 3e70e0f09b..2d61ede796 100644
--- a/libraries/metavoxels/src/MetavoxelData.cpp
+++ b/libraries/metavoxels/src/MetavoxelData.cpp
@@ -1094,14 +1094,14 @@ const int ORDER_ELEMENT_MASK = (1 << ORDER_ELEMENT_BITS) - 1;
 
 int MetavoxelVisitor::encodeRandomOrder() {
     // see http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle#The_.22inside-out.22_algorithm
-    int order;
+    int order = 0;
     int randomValues = rand();
     for (int i = 0, iShift = 0; i < MetavoxelNode::CHILD_COUNT; i++, iShift += ORDER_ELEMENT_BITS) {
         int j = (randomValues >> iShift) % (i + 1);
         int jShift = j * ORDER_ELEMENT_BITS;
         if (j != i) {
             int jValue = (order >> jShift) & ORDER_ELEMENT_MASK;
-            order = (order & ~(ORDER_ELEMENT_MASK << iShift)) | (jValue << iShift);
+            order |= (jValue << iShift);
         }
         order = (order & ~(ORDER_ELEMENT_MASK << jShift)) | (i << jShift);
     }