1 files changed, 1 insertions, 1 deletions

diff --git a/src/coding.h b/src/coding.h
index 7730109bcfd..c9c19762d80 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -477,7 +477,7 @@ struct coding_system
   ptrdiff_t produced, produced_char, consumed, consumed_char;
 
   /* Number of error source data found in a decoding routine.  */
-  int errors;
+  ptrdiff_t errors;
 
   /* Store the positions of error source data.  */
   ptrdiff_t *error_positions;