diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -195,7 +195,7 @@
 endif()
 
 # OpenSSL functionality
-set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_CRYPTO_INCLUDES})
+set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
 set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY})
 check_symbol_exists(EVP_MD_CTX_new "openssl/evp.h" HAVE_DECL_EVP_MD_CTX_NEW)