--- a/src/md5.h
+++ b/src/md5.h
@@ -54,17 +54,17 @@
 # endif
 
 # if UINT_MAX == UINT_MAX_32_BITS
-   typedef unsigned int md5_uint32;
+typedef unsigned int md5_uint32;
 # else
 #  if USHRT_MAX == UINT_MAX_32_BITS
-    typedef unsigned short md5_uint32;
+typedef unsigned short md5_uint32;
 #  else
 #   if ULONG_MAX == UINT_MAX_32_BITS
-     typedef unsigned long md5_uint32;
+typedef unsigned long md5_uint32;
 #   else
-     /* The following line is intended to evoke an error.
-        Using #error is not portable enough.  */
-     "Cannot determine unsigned 32-bit data type."
+/* The following line is intended to evoke an error.
+   Using #error is not portable enough.  */
+"Cannot determine unsigned 32-bit data type."
 #   endif
 #  endif
 # endif