diff --git a/src/engine/model/skelmodel.h b/src/engine/model/skelmodel.h
index 881a54049..6ec24c95f 100644
--- a/src/engine/model/skelmodel.h
+++ b/src/engine/model/skelmodel.h
@@ -313,7 +313,7 @@ struct skelmodel : animmodel
         template<class T>
         void interpverts(const dualquat * RESTRICT bdata1, const dualquat * RESTRICT bdata2, T * RESTRICT vdata, skin &s)
         {
-            const int blendoffset = (static_cast<skelmeshgroup *>(group))->skel->numgpubones;
+            constexpr int blendoffset = (static_cast<skelmeshgroup *>(group))->skel->numgpubones;
             bdata2 -= blendoffset;
             vdata += voffset;
             for(int i = 0; i < numverts; ++i)
diff --git a/src/engine/model/vertmodel.h b/src/engine/model/vertmodel.h
index 50d597863..4ed8e56da 100644
--- a/src/engine/model/vertmodel.h
+++ b/src/engine/model/vertmodel.h
@@ -255,7 +255,7 @@ struct vertmodel : animmodel
         tag *tags;
         int numtags;
 
-        static const int maxvbocache = 16;
+        static constexpr int maxvbocache = 16;
         vbocacheentry vbocache[maxvbocache];
 
         ushort *edata;