diff --git a/cpu/blackfin/jtag-console.c b/cpu/blackfin/jtag-console.c
index d58582f6e01..c995d962dc0 100644
--- a/cpu/blackfin/jtag-console.c
+++ b/cpu/blackfin/jtag-console.c
@@ -11,7 +11,7 @@
 #include <asm/blackfin.h>
 
 #ifndef CONFIG_JTAG_CONSOLE_TIMEOUT
-# define CONFIG_JTAG_CONSOLE_TIMEOUT 100
+# define CONFIG_JTAG_CONSOLE_TIMEOUT 500
 #endif
 
 /* The Blackfin tends to be much much faster than the JTAG hardware. */