diff --git a/util.c b/util.c
index 51130af..b925987 100644
--- a/util.c
+++ b/util.c
@@ -38,14 +38,14 @@ ecalloc(size_t nmemb, size_t size)
 int
 fd_set_nonblock(int fd) {
 	int flags = fcntl(fd, F_GETFL);
-    if (flags < 0) {
+	if (flags < 0) {
 		perror("fcntl(F_GETFL):");
-        return -1;
-    }
-    if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0) {
+		return -1;
+	}
+	if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0) {
 		perror("fcntl(F_SETFL):");
 		return -1;
-    }
+	}
 
 	return 0;
 }