diff --git a/Makefile b/Makefile
index f9a75fa97..68c68da11 100644
--- a/Makefile
+++ b/Makefile
@@ -222,6 +222,8 @@ $(S2I_CONTEXT)/Roverfile.lock : $(S2I_CONTEXT)/Roverfile $(S2I_CONTEXT)/apicast-
 	$(ROVER) lock --roverfile=$(S2I_CONTEXT)/Roverfile
 
 lua_modules: $(ROVER) $(S2I_CONTEXT)/Roverfile.lock
+	# https://github.com/wahern/luaossl/issues/175
+	export HAVE_EVP_KDF_CTX=1
 	$(ROVER) install --roverfile=$(S2I_CONTEXT)/Roverfile > /dev/null
 
 lua_modules/bin/rover: