diff --git a/hostapd/Makefile b/hostapd/Makefile
index 9baeea60f..a1fba3e07 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -252,6 +252,7 @@ ifdef CONFIG_EAP_AKA
 CFLAGS += -DEAP_SERVER_AKA
 OBJS += ../src/eap_server/eap_aka.o
 CONFIG_EAP_SIM_COMMON=y
+NEED_SHA256=y
 endif
 
 ifdef CONFIG_EAP_AKA_PRIME