1 files changed, 1 insertions, 1 deletions
diff --git a/lzfP.h b/lzfP.h
index 84c6028..4d5a21e 100644
--- a/lzfP.h
+++ b/lzfP.h
@@ -128,7 +128,7 @@
  * (<1% slowdown), but might slow down older cpus considerably.
  */
 #ifndef CHECK_INPUT
-# define CHECK_INPUT 0
+# define CHECK_INPUT 1
 #endif
 
 /*****************************************************************************/