diff --git a/nl.c b/nl.c
index cf458b8..fcfd8de 100644
--- a/nl.c
+++ b/nl.c
@@ -70,9 +70,9 @@ nl(FILE *fp)
 
 	while(afgets(&buf, &size, fp)) {
 		if((mode == 'a')
-				|| (mode == 'p'
-					&& !regexec(&preg, buf, 0, NULL, 0))
-				|| (mode == 't' && buf[0] != '\n')) {
+		   || (mode == 'p'
+		       && !regexec(&preg, buf, 0, NULL, 0))
+		   || (mode == 't' && buf[0] != '\n')) {
 			printf("%6ld%s%s", n += incr, sep, buf);
 		} else {
 			printf("       %s", buf);