diff --git a/package/psmisc/psmisc.mk b/package/psmisc/psmisc.mk
index 3d0d2c5367..8b92be11e8 100644
--- a/package/psmisc/psmisc.mk
+++ b/package/psmisc/psmisc.mk
@@ -13,7 +13,7 @@ PSMISC_DEPENDENCIES = ncurses $(TARGET_NLS_DEPENDENCIES)
 
 ifeq ($(BR2_TOOLCHAIN_HAS_SSP),)
 # Don't force -fstack-protector when SSP is not available in toolchain
-PSMISC_CONF_OPTS = --disable-harden-flags
+PSMISC_CONF_OPTS += --disable-harden-flags
 endif
 
 $(eval $(autotools-package))