1 files changed, 9 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index c18787458b..22fb5ffe5d 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1524,9 +1524,18 @@ load_file_internal(VALUE arg)
 	}
 #endif
 	if ((fd = rb_cloexec_open(fname, mode, 0)) < 0) {
+	  load_failed:
 	    rb_load_fail(fname_v, strerror(errno));
 	}
         rb_update_max_fd(fd);
+	{
+	    struct stat st;
+	    if (fstat(fd, &st) != 0) goto load_failed;
+	    if (S_ISDIR(st.st_mode)) {
+		errno = EISDIR;
+		goto load_failed;
+	    }
+	}
 
 	f = rb_io_fdopen(fd, mode, fname);
     }