diff --git a/package/apcupsd/Config.in b/package/apcupsd/Config.in
index eabfb14842..2849736a1a 100644
--- a/package/apcupsd/Config.in
+++ b/package/apcupsd/Config.in
@@ -63,3 +63,7 @@ comment "usb support needs a toolchain w/ threads"
 	depends on !BR2_TOOLCHAIN_HAS_THREADS
 
 endif
+
+comment "apcupsd needs a toolchain w/ C++"
+	depends on BR2_USE_MMU
+	depends on !BR2_INSTALL_LIBSTDCPP