1 files changed, 2 insertions, 3 deletions

diff --git a/src/search.c b/src/search.c
index e0ca9a5bf6d..b95e52aed56 100644
--- a/src/search.c
+++ b/src/search.c
@@ -99,9 +99,8 @@ compile_pattern (pattern, bufp, regp, translate)
   last_regexp = Qnil;
   bufp->translate = translate;
   BLOCK_INPUT;
-  val = re_compile_pattern ((char *) XSTRING (pattern)->data,
-                            XSTRING (pattern)->size,
-                            bufp);
+  val = (CONST char *) re_compile_pattern ((char *) XSTRING (pattern)->data,
+                                           XSTRING (pattern)->size, bufp);
   UNBLOCK_INPUT;
   if (val)
     {