diff --git a/scripts/build/arch/arm.sh b/scripts/build/arch/arm.sh
index 7433c926..4873df1a 100644
--- a/scripts/build/arch/arm.sh
+++ b/scripts/build/arch/arm.sh
@@ -96,6 +96,7 @@ CT_DoArchUClibcCflags() {
         case "${f}" in
             -mthumb)
                 CT_KconfigEnableOption "COMPILE_IN_THUMB_MODE" "${cfg}"
+                CT_KconfigDisableOption "UCLIBC_HAS_CONTEXT_FUNCS" "${cfg}"
                 ;;
             -marm)
                 CT_KconfigDisableOption "COMPILE_IN_THUMB_MODE" "${cfg}"