diff --git a/tccpp.c b/tccpp.c
index 4ecc664..82168f7 100644
--- a/tccpp.c
+++ b/tccpp.c
@@ -1687,6 +1687,8 @@ include_done:
             pstrcpy(file->filename, sizeof(file->filename), 
                     (char *)tokc.cstr->data);
         }
+        if (s1->do_debug)
+    	    put_stabs(file->filename, N_BINCL, 0, 0, 0);
         break;
     case TOK_ERROR:
     case TOK_WARNING: