diff --git a/c_src/Makefile b/c_src/Makefile
index 9865ab5..0e4a634 100644
--- a/c_src/Makefile
+++ b/c_src/Makefile
@@ -6,9 +6,9 @@ BASEDIR := ..
 PROJECT ?= $(notdir $(BASEDIR))
 PROJECT := $(strip $(PROJECT))
 
-ERTS_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s/erts-~s/include/\", [code:root_dir(), erlang:system_info(version)]).")
-ERL_INTERFACE_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, include)]).")
-ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, lib)]).")
+ERTS_INCLUDE_DIR ?= $(shell erl -noshell -eval "io:format(\"~s/erts-~s/include/\", [code:root_dir(), erlang:system_info(version)]), halt().")
+ERL_INTERFACE_INCLUDE_DIR ?= $(shell erl -noshell -eval "io:format(\"~s\", [code:lib_dir(erl_interface, include)]), halt().")
+ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -eval "io:format(\"~s\", [code:lib_dir(erl_interface, lib)]), halt().")
 
 C_SRC_DIR = $(CURDIR)
 C_SRC_NIF = $(CURDIR)/../priv/bcrypt_nif.so