diff --git a/src/ChangeLog b/src/ChangeLog
index 83295bc5f09..2af0040e3c2 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2010-09-24  Eli Zaretskii  <eliz@gnu.org>
 
+	* callproc.c (Fcall_process): Use EMACS_INT for count of
+	characters read from the subprocess.
+
 	* bidi.c (struct bidi_paragraph_info): Use EMACS_INT for buffer
 	positions.
 	(bidi_cache_search, bidi_cache_find): Use EMACS_INT for buffer
diff --git a/src/callproc.c b/src/callproc.c
index 8c1384df6a1..6f70631a484 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -678,9 +678,9 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
   QUIT;
 
   {
-    register int nread;
+    register EMACS_INT nread;
     int first = 1;
-    int total_read = 0;
+    EMACS_INT total_read = 0;
     int carryover = 0;
     int display_on_the_fly = display_p;
     struct coding_system saved_coding;