1 files changed, 2 insertions, 2 deletions

diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c
index 36b695b40..ae2d24bf7 100644
--- a/libbb/last_char_is.c
+++ b/libbb/last_char_is.c
@@ -25,9 +25,9 @@
  * underrun the buffer if the string length is 0.  Also avoids a possible
  * space-hogging inline of strlen() per usage.
  */
-char * last_char_is(char *s, int c)
+char * last_char_is(const char *s, int c)
 {
-        char *sret  = s+strlen(s)-1;
+        char *sret  = (char *)s+strlen(s)-1;
         if (sret>=s && *sret == c) { 
                 return sret;
         } else {