diff --git a/Cart_Reader/options.h b/Cart_Reader/options.h
index 36ea8a3..7d020c0 100644
--- a/Cart_Reader/options.h
+++ b/Cart_Reader/options.h
@@ -38,7 +38,7 @@
 #define clockgen_installed
 
 // Define CRC method for dumping N64 ROMs, slow seems to be more compatible with some SD cards
-//#define slowcrc // crc will be calculated after dumping from SD card instead of during dumping from memory
+#define slowcrc // crc will be calculated after dumping from SD card instead of during dumping from memory
 
 // saves a n64log.txt file with rom info in /N64/ROM
 #define savesummarytotxt