2 files changed, 2 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 12a70ce9575..fa0ff89e5f7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -6,6 +6,7 @@
         Rename or move locals.
         (Fmake_network_process): Define label "retry_connect" only if needed.
         (Fnetwork_interface_info): Fix pointer signedness.
+        (process_send_signal): Add cast to avoid pointer signedness problem.
 
 2011-03-19  Paul Eggert  <eggert@cs.ucla.edu>
 
diff --git a/src/process.c b/src/process.c
index 3cdf045f4f4..ae7ec158ef9 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5927,7 +5927,7 @@ process_send_signal (Lisp_Object process, int signo, Lisp_Object current_group,
 
       if (sig_char && *sig_char != CDISABLE)
         {
-          send_process (proc, sig_char, 1, Qnil);
+          send_process (proc, (char *) sig_char, 1, Qnil);
           return;
         }
       /* If we can't send the signal with a character,