diff --git a/src/x86/Gget_proc_name-x86.c b/src/x86/Gget_proc_name-x86.c
index e8e833cb..caffdf4d 100644
--- a/src/x86/Gget_proc_name-x86.c
+++ b/src/x86/Gget_proc_name-x86.c
@@ -26,9 +26,10 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
 #include "unwind_i.h"
 
 int
-unw_get_proc_name (unw_cursor_t *cursor, char *buf, size_t buf_len)
+unw_get_proc_name (unw_cursor_t *cursor, char *buf, size_t buf_len,
+		   unw_word_t *offp)
 {
   struct cursor *c = (struct cursor *) cursor;
 
-  return unwi_get_proc_name (c->as, c->eip, buf, buf_len, c->as_arg);
+  return unwi_get_proc_name (c->as, c->eip, buf, buf_len, offp, c->as_arg);
 }