diff --git a/src/strings.c b/src/strings.c
index 16a09f8..c356c36 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -601,14 +601,14 @@
 
     while (len > 0)
     {
-       i = TOLOWER_ASC(*s1) - TOLOWER_ASC(*s2);
-       if (i != 0)
-	   break;			// this character is different
-       if (*s1 == NUL)
-	   break;			// strings match until NUL
-       ++s1;
-       ++s2;
-       --len;
+	i = TOLOWER_ASC(*s1) - TOLOWER_ASC(*s2);
+	if (i != 0)
+	    break;			// this character is different
+	if (*s1 == NUL)
+	    break;			// strings match until NUL
+	++s1;
+	++s2;
+	--len;
     }
     return i;
 }