diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9b0bec..e2deaec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,12 +77,13 @@ ELSE(WIN32)
   ENDIF(NOT APPLE)
 ENDIF(WIN32)
 
-IF($ENV{OPENSSL_ROOT_DIR})
+IF(NOT "$ENV{OPENSSL_ROOT_DIR}" STREQUAL "")
   set(OPENSSL_ROOT_DIR $ENV{OPENSSL_ROOT_DIR} )
   set(OPENSSL_INCLUDE_DIR ${OPENSSL_ROOT_DIR}/include)
   message(STATUS "Setting up OpenSSL root and include vars to ${OPENSSL_ROOT_DIR}, ${OPENSSL_INCLUDE_DIR}")
 ENDIF()
 
+
 find_package(OpenSSL)
 
 set( CMAKE_FIND_LIBRARY_SUFFIXES ${ORIGINAL_LIB_SUFFIXES} )