1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/tr.c b/coreutils/tr.c
index 0d3284900..8b2d30802 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -219,7 +219,7 @@ int tr_main(int argc ATTRIBUTE_UNUSED, char **argv)
 
         for (;;) {
                 /* If we're out of input, flush output and read more input. */
-                if (in_index == read_chars) {
+                if ((ssize_t)in_index == read_chars) {
                         if (out_index) {
                                 xwrite(STDOUT_FILENO, (char *)output, out_index);
                                 out_index = 0;