diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e16ab80..8acc6666 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,8 @@
 * Pasting URIs from the clipboard when the source has not
   newline-terminated the last URI
   (https://codeberg.org/dnkl/foot/issues/291).
+* Sixel “current geometry” query response not being bounded by the
+  current window dimensions (fixes `lsix` output)
 
 
 ### Security
diff --git a/sixel.c b/sixel.c
index bf06ef3e..cfca4d4a 100644
--- a/sixel.c
+++ b/sixel.c
@@ -1145,7 +1145,8 @@ sixel_geometry_report_current(struct terminal *term)
 {
     char reply[64];
     snprintf(reply, sizeof(reply), "\033[?2;0;%u;%uS",
-             term->sixel.max_width, term->sixel.max_height);
+             min(term->cols * term->cell_width, term->sixel.max_width),
+             min(term->rows * term->cell_height, term->sixel.max_height));
     term_to_slave(term, reply, strlen(reply));
 
     LOG_DBG("query response for current sixel geometry: %ux%u",