diff --git a/toolchain/gdb/Config.in b/toolchain/gdb/Config.in
index 0e17ff673a..e383949e5f 100644
--- a/toolchain/gdb/Config.in
+++ b/toolchain/gdb/Config.in
@@ -3,9 +3,13 @@ comment "Gdb Options"
 config BR2_PACKAGE_GDB
 	bool "Build gdb debugger for the Target"
 	select BR2_PACKAGE_NCURSES
+	depends on BR2_USE_WCHAR
 	help
 	    Build the full gdb debugger to run on the target.
 
+comment "Gdb debugger for the target needs WCHAR support in toolchain"
+	depends on !BR2_USE_WHCAR
+
 config BR2_PACKAGE_GDB_SERVER
 	bool "Build gdb server for the Target"
 	help