diff --git a/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk b/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
index 5b3e9acd90..76be8876cc 100644
--- a/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
+++ b/package/kf5/kf5-kcoreaddons/kf5-kcoreaddons.mk
@@ -23,7 +23,7 @@ KF5_KCOREADDONS_CONF_OPTS = -DCMAKE_CXX_FLAGS="$(KF5_KCOREADDONS_CXXFLAGS)"
 
 ifeq ($(BR2_microblaze),y)
 # Microblaze ld emits warnings, make warnings not to be treated as errors
-KF5_KCOREADDONS_CONF_OPTS = -DCMAKE_SHARED_LINKER_FLAGS="-Wl,--no-fatal-warnings"
+KF5_KCOREADDONS_CONF_OPTS += -DCMAKE_SHARED_LINKER_FLAGS="-Wl,--no-fatal-warnings"
 endif
 
 $(eval $(cmake-package))