diff --git a/libiberty/strsignal.c b/libiberty/strsignal.c
index 4ca9e21..a624a5e 100644
--- a/libiberty/strsignal.c
+++ b/libiberty/strsignal.c
@@ -404,7 +404,7 @@ call to @code{strsignal}.
 
 #ifndef HAVE_STRSIGNAL
 
-const char *
+char *
 strsignal (int signo)
 {
   const char *msg;