diff --git a/include/file_change_detection.h b/include/file_change_detection.h
index f5220745a9..0581d2f584 100644
--- a/include/file_change_detection.h
+++ b/include/file_change_detection.h
@@ -40,25 +40,25 @@ struct file_change_detection
 /* Returns true if *LEFT and *RIGHT describe the same version of the
    same file.  */
 bool __file_is_unchanged (const struct file_change_detection *left,
-                        const struct file_change_detection *right);
+			  const struct file_change_detection *right);
 
 /* Extract file change information to *FILE from the stat buffer
    *ST.  */
 void __file_change_detection_for_stat (struct file_change_detection *file,
-                                       const struct stat64 *st);
+				       const struct stat64 *st);
 
 /* Writes file change information for PATH to *FILE.  Returns true on
    success.  For benign errors, *FILE is cleared, and true is
    returned.  For errors indicating resource outages and the like,
    false is returned.  */
 bool __file_change_detection_for_path (struct file_change_detection *file,
-                                       const char *path);
+				       const char *path);
 
 /* Writes file change information for the stream FP to *FILE.  Returns
    ture on success, false on failure.  If FP is NULL, treat the file
    as non-existing.  */
 bool __file_change_detection_for_fp (struct file_change_detection *file,
-                                     FILE *fp);
+				     FILE *fp);
 
 #ifndef _ISOMAC
 libc_hidden_proto (__file_is_unchanged)
diff --git a/io/file_change_detection.c b/io/file_change_detection.c
index 1ac869c3ec..fcc0705bff 100644
--- a/io/file_change_detection.c
+++ b/io/file_change_detection.c
@@ -25,7 +25,7 @@
    same file.  */
 bool
 __file_is_unchanged (const struct file_change_detection *left,
-                     const struct file_change_detection *right)
+		     const struct file_change_detection *right)
 {
   if (left->size < 0 || right->size < 0)
     /* Negative sizes are used as markers and never match.  */
@@ -48,7 +48,7 @@ libc_hidden_def (__file_is_unchanged)
    *ST.  */
 void
 __file_change_detection_for_stat (struct file_change_detection *file,
-                                  const struct stat64 *st)
+				  const struct stat64 *st)
 {
   if (S_ISDIR (st->st_mode))
     /* Treat as empty file.  */
@@ -72,7 +72,7 @@ libc_hidden_def (__file_change_detection_for_stat)
    false is returned.  */
 bool
 __file_change_detection_for_path (struct file_change_detection *file,
-                                  const char *path)
+				  const char *path)
 {
   struct stat64 st;
   if (stat64 (path, &st) != 0)
@@ -84,13 +84,13 @@ __file_change_detection_for_path (struct file_change_detection *file,
       case ENOENT:
       case ENOTDIR:
       case EPERM:
-        /* Ignore errors due to file system contents.  Instead, treat
-           the file as empty.  */
-        file->size = 0;
-        return true;
+	/* Ignore errors due to file system contents.  Instead, treat
+	   the file as empty.  */
+	file->size = 0;
+	return true;
       default:
-        /* Other errors are fatal.  */
-        return false;
+	/* Other errors are fatal.  */
+	return false;
       }
   else /* stat64 was successfull.  */
     {
@@ -105,7 +105,7 @@ libc_hidden_def (__file_change_detection_for_path)
    as non-existing.  */
 bool
 __file_change_detection_for_fp (struct file_change_detection *file,
-                                FILE *fp)
+				FILE *fp)
 {
   if (fp == NULL)
     {
@@ -117,13 +117,13 @@ __file_change_detection_for_fp (struct file_change_detection *file,
     {
       struct stat64 st;
       if (fstat64 (__fileno (fp), &st) != 0)
-        /* If we already have a file descriptor, all errors are fatal.  */
-        return false;
+	/* If we already have a file descriptor, all errors are fatal.  */
+	return false;
       else
-        {
-          __file_change_detection_for_stat (file, &st);
-          return true;
-        }
+	{
+	  __file_change_detection_for_stat (file, &st);
+	  return true;
+	}
     }
 }
 libc_hidden_def (__file_change_detection_for_fp)
