diff --git a/libraries/GDBStub/src/internal/gdbstub-cfg.h b/libraries/GDBStub/src/internal/gdbstub-cfg.h
index f01cf90c1..361de6c7f 100644
--- a/libraries/GDBStub/src/internal/gdbstub-cfg.h
+++ b/libraries/GDBStub/src/internal/gdbstub-cfg.h
@@ -56,6 +56,6 @@ are called when the flash is disabled (eg due to a Ctrl-C at the wrong time), th
 likely crash.
 */
 #define ATTR_GDBINIT	ICACHE_FLASH_ATTR
-#define ATTR_GDBFN
+#define ATTR_GDBFN		ICACHE_RAM_ATTR
 
 #endif