diff --git a/lib/crc32defs.h b/lib/crc32defs.h
index 9b6773d..f5a5401 100644
--- a/lib/crc32defs.h
+++ b/lib/crc32defs.h
@@ -8,7 +8,7 @@
 
 /* How many bits at a time to use.  Requires a table of 4<<CRC_xx_BITS bytes. */
 /* For less performance-sensitive, use 4 */
-#ifndef CRC_LE_BITS 
+#ifndef CRC_LE_BITS
 # define CRC_LE_BITS 8
 #endif
 #ifndef CRC_BE_BITS