diff --git a/rfb/hextileEncode.h b/rfb/hextileEncode.h
index 15c8862..0b9b8dc 100644
--- a/rfb/hextileEncode.h
+++ b/rfb/hextileEncode.h
@@ -222,7 +222,7 @@
       pix2 = *ptr;
     }
 
-    if (*data == pix2) {
+    if (*ptr == pix2) {
       count2++;
       continue;
     }