diff --git a/package/belle-sip/belle-sip.mk b/package/belle-sip/belle-sip.mk
index b5169be488..23b60e51f5 100644
--- a/package/belle-sip/belle-sip.mk
+++ b/package/belle-sip/belle-sip.mk
@@ -32,4 +32,12 @@ else ifeq ($(BR2_SHARED_LIBS),y)
 BELLE_SIP_CONF_OPTS += -DENABLE_SHARED=ON -DENABLE_STATIC=OFF
 endif
 
+BELLE_SIP_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_99140),y)
+BELLE_SIP_CFLAGS += -O0
+endif
+
+BELLE_SIP_CONF_OPTS += -DCMAKE_C_FLAGS="$(BELLE_SIP_CFLAGS)"
+
 $(eval $(cmake-package))