diff --git a/vendor/CMakeLists.txt b/vendor/CMakeLists.txt
index b1c92e7..306941d 100644
--- a/vendor/CMakeLists.txt
+++ b/vendor/CMakeLists.txt
@@ -28,8 +28,10 @@ set_property(TARGET openssl-ssl-static PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${
 ExternalProject_Add(libevent PREFIX libevent
         URL ${CMAKE_CURRENT_SOURCE_DIR}/libevent-2.1.8-stable.tar.gz
         URL_MD5 f3eeaed018542963b7d2416ef1135ecc
-        CONFIGURE_COMMAND ./configure --prefix=<INSTALL_DIR> --disable-shared
-        BUILD_COMMAND make "CPPFLAGS=-I${OPENSSL_INCLUDE_DIRECTORIES}" "LDFLAGS=-L${OPENSSL_LINK_DIRECTORIES} -ldl"
+        CONFIGURE_COMMAND ./configure "--prefix=<INSTALL_DIR>" "--disable-shared"
+		                              "OPENSSL_CFLAGS=-I${OPENSSL_INCLUDE_DIRECTORIES}"
+		                              "OPENSSL_LIBS=-L${OPENSSL_LINK_DIRECTORIES} -lssl -lcrypto -ldl"
+        BUILD_COMMAND make
         BUILD_IN_SOURCE 1)
 
 ExternalProject_Get_Property(libevent INSTALL_DIR)