diff --git a/Changes.md b/Changes.md
index 44956a7c..4bb1ef96 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,3 +1,9 @@
+## next release
+
+- Fixed a `-Wsign-compare` warning in `MMDB_open()` that broke builds with
+  `-Werror` on platforms where `ssize_t` is 32 bits, such as i686. Pull request
+  by Robert Scheck. GitHub #487.
+
 ## 1.14.0 - 2026-09-08
 
 - Bounded the resources that `MMDB_get_entry_data_list()` spends decoding a
diff --git a/src/maxminddb.c b/src/maxminddb.c
index d9cc9c56..95ca7a7d 100644
--- a/src/maxminddb.c
+++ b/src/maxminddb.c
@@ -374,9 +374,9 @@ int MMDB_open(const char *const filename, uint32_t flags, MMDB_s *const mmdb) {
     mmdb->data_section_size = (uint32_t)data_section_size;
 
     // Although it is likely not possible to construct a database with valid
-    // valid metadata, as parsed above, and a data_section_size less than 3,
-    // we do this check as later we assume it is at least three when doing
-    // bound checks.
+    // metadata, as parsed above, and a data_section_size less than 3, we do
+    // this check as later we assume it is at least three when doing bound
+    // checks.
     if (mmdb->data_section_size < 3) {
         status = MMDB_INVALID_DATA_ERROR;
         goto cleanup;