diff --git a/CMakeLists.txt b/CMakeLists.txt
index 373e018..c2ec239 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,13 +1,13 @@
 cmake_minimum_required(VERSION 3.4)
 
 set(dedupfs_SOURCES "dedupfs.cc" PARENT_SCOPE)
-set(dedupfs_INCLUDE_PATHS "${LIBCRYPTO_HOME}/include" PARENT_SCOPE)
-set(dedupfs_LINK_PATHS "${LIBCRYPTO_HOME}/lib" PARENT_SCOPE)
+find_package(OpenSSL REQUIRED)
+set(dedupfs_INCLUDE_PATHS "${OPENSSL_INCLUDE_DIR}" PARENT_SCOPE)
+set(dedupfs_LIBS ${OPENSSL_CRYPTO_LIBRARY} PARENT_SCOPE)
+
 if(MSVC)
-  set(dedupfs_LIBS "libcrypto" PARENT_SCOPE)
   set(dedupfs_CMAKE_SHARED_LINKER_FLAGS "/EXPORT:dedupfs_reg" PARENT_SCOPE)
   set(dedupfs_CMAKE_EXE_LINKER_FLAGS "/INCLUDE:dedupfs_reg" PARENT_SCOPE)
 else()
-  set(dedupfs_LIBS "crypto" PARENT_SCOPE)
   set(dedupfs_CMAKE_EXE_LINKER_FLAGS "-u dedupfs_reg" PARENT_SCOPE)
 endif()