diff --git a/libio/tst-readline.c b/libio/tst-readline.c
index 9322ef6..63f5227 100644
--- a/libio/tst-readline.c
+++ b/libio/tst-readline.c
@@ -232,5 +232,6 @@ do_test (void)
   return 0;
 }
 
+#define TIMEOUT 100
 #define PREPARE prepare
 #include <support/test-driver.c>