diff --git a/package/asterisk/asterisk.mk b/package/asterisk/asterisk.mk
index f6a4f8f787..67b6da56db 100644
--- a/package/asterisk/asterisk.mk
+++ b/package/asterisk/asterisk.mk
@@ -283,6 +283,14 @@ endif
 # Remove default -O3 optimization flag
 ASTERISK_MAKE_OPTS += OPTIMIZE=""
 
+ASTERISK_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_93847),y)
+ASTERISK_CFLAGS += -O0
+endif
+
+ASTERISK_CONF_OPTS += CFLAGS="$(ASTERISK_CFLAGS)"
+
 # We want to install sample configuration files, too.
 ASTERISK_INSTALL_TARGET_OPTS = \
 	$(ASTERISK_DIRS) \