diff --git a/apps/openmw/mwmechanics/security.cpp b/apps/openmw/mwmechanics/security.cpp
index 5b79d821c2..e642a7bb4b 100644
--- a/apps/openmw/mwmechanics/security.cpp
+++ b/apps/openmw/mwmechanics/security.cpp
@@ -65,7 +65,7 @@ namespace MWMechanics
                 resultMessage = "#{sLockFail}";
         }
 
-        lockpick.getCellRef().setCharge(uses-1);
+        lockpick.getCellRef().setCharge(--uses);
         if (!uses)
             lockpick.getContainerStore()->remove(lockpick, 1, mActor);
     }
@@ -110,7 +110,7 @@ namespace MWMechanics
                 resultMessage = "#{sTrapFail}";
         }
 
-        probe.getCellRef().setCharge(uses-1);
+        probe.getCellRef().setCharge(--uses);
         if (!uses)
             probe.getContainerStore()->remove(probe, 1, mActor);
     }
diff --git a/components/nif/data.cpp b/components/nif/data.cpp
index e76541d5ca..91b3beba4b 100644
--- a/components/nif/data.cpp
+++ b/components/nif/data.cpp
@@ -145,7 +145,7 @@ void NiTriStripsData::read(NIFStream *nif)
     nif->getUShorts(lengths, numStrips);
 
     // "Has Strips" flag. Exceptionally useful.
-    bool hasStrips = false;
+    bool hasStrips = true;
     if (nif->getVersion() > NIFFile::NIFVersion::VER_OB_OLD)
         hasStrips = nif->getBoolean();
     if (!hasStrips || !numStrips)