diff --git a/OTFontFile/OTFont.cs b/OTFontFile/OTFont.cs
index d3f2aba..ea1a4db 100644
--- a/OTFontFile/OTFont.cs
+++ b/OTFontFile/OTFont.cs
@@ -431,6 +431,14 @@ public bool ContainsTrueTypeOutlines()
                 return false;
         }
 
+        public bool IsVariableFont()
+        {
+            if ( (GetTable("fvar") == null) || (GetTable("STAT") == null) )
+                return false;
+            else
+                return true;
+        }
+
         public ushort GetMaxpNumGlyphs()
         {
             // this routine caches the maxp.numGlyphs value for better performance