diff --git a/bin/cp/cp.c b/bin/cp/cp.c
index 97767291714f..5bb9f8cec2e6 100644
--- a/bin/cp/cp.c
+++ b/bin/cp/cp.c
@@ -89,7 +89,7 @@ PATH_T to = { to.p_path, emptystring, "" };
 int fflag, iflag, nflag, pflag, vflag;
 static int Rflag, rflag;
 
-int info;
+volatile sig_atomic_t info;
 static void siginfo (int notused __unused);
 
 enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
diff --git a/bin/cp/extern.h b/bin/cp/extern.h
index f06c65ef779b..d578a1b39d08 100644
--- a/bin/cp/extern.h
+++ b/bin/cp/extern.h
@@ -42,7 +42,7 @@ typedef struct {
 
 extern PATH_T to;
 extern int fflag, iflag, nflag, pflag, vflag;
-extern int info;
+extern volatile sig_atomic_t info;
 
 __BEGIN_DECLS
 int	copy_fifo(struct stat *, int);