1 files changed, 1 insertions, 1 deletions
diff --git a/lib/linestack.c b/lib/linestack.c
index 241a437d..f8ca32a4 100644
--- a/lib/linestack.c
+++ b/lib/linestack.c
@@ -106,7 +106,7 @@ int crunch_str(char **str, int width, FILE *out,
       } else if (bytes<1) {
         bytes = 1;
         sprintf(buf, "<%02X>", *end);
-      } else sprintf(buf, "U+%04X", wc);
+      } else sprintf(buf, "U+%04X", (unsigned)wc);
       col = strlen(buf);
       if (width-columns<col) buf[col = width-columns] = 0;
       if (out) fputs(buf, out);