diff --git a/DirectXTex/filters.h b/DirectXTex/filters.h
index 2b32039..ebf9852 100644
--- a/DirectXTex/filters.h
+++ b/DirectXTex/filters.h
@@ -76,6 +76,8 @@ inline void _CreateLinearFilter(_In_ size_t source, _In_ size_t dest, _In_ bool
         ptrdiff_t isrcB = ptrdiff_t(srcB);
         ptrdiff_t isrcA = isrcB - 1;
 
+        float weight = 1.0f + float(isrcB) - srcB;
+
         if (isrcA < 0)
         {
             isrcA = (wrap) ? (ptrdiff_t(source) - 1) : 0;
@@ -86,8 +88,6 @@ inline void _CreateLinearFilter(_In_ size_t source, _In_ size_t dest, _In_ bool
             isrcB = (wrap) ? 0 : (ptrdiff_t(source) - 1);
         }
 
-        float weight = 1.0f + float(isrcB) - srcB;
-
         auto& entry = lf[u];
         entry.u0 = size_t(isrcA);
         entry.weight0 = weight;