diff --git a/apps/opencs/view/render/pathgrid.cpp b/apps/opencs/view/render/pathgrid.cpp
index 2a65001c86..989f5b6b1b 100644
--- a/apps/opencs/view/render/pathgrid.cpp
+++ b/apps/opencs/view/render/pathgrid.cpp
@@ -316,7 +316,7 @@ namespace CSVRender
                 for (size_t row = source->mEdges.size(); row > 0; --row)
                 {
                     commands.push(
-                        new CSMWorld::DeleteNestedCommand(*model, idString, static_cast<int>(row), parentColumn));
+                        new CSMWorld::DeleteNestedCommand(*model, idString, static_cast<int>(row - 1), parentColumn));
                 }
             }
         }
diff --git a/components/nifosg/particle.cpp b/components/nifosg/particle.cpp
index a554c986de..f64116eb9c 100644
--- a/components/nifosg/particle.cpp
+++ b/components/nifosg/particle.cpp
@@ -487,8 +487,7 @@ namespace NifOsg
             }
             else
             {
-                int randomIndex
-                    = static_cast<int>(std::floor(Misc::Rng::rollClosedProbability() * (mTargets.size() - 1)));
+                size_t randomIndex = Misc::Rng::rollDice(mTargets.size());
                 recIndex = mTargets[randomIndex];
             }