diff --git a/cmake/src/set_thirdparty_path.cmake b/cmake/src/set_thirdparty_path.cmake
index da1bd2f9e..f6eba3f04 100755
--- a/cmake/src/set_thirdparty_path.cmake
+++ b/cmake/src/set_thirdparty_path.cmake
@@ -61,7 +61,7 @@ set(LLVM_HOME ${DEPENDENCY_PATH}/llvm/${LIB_UNIFIED_SUPPORT})
 set(LZ4_HOME ${DEPENDENCY_PATH}/lz4/${SUPPORT_LLT})
 set(NANOMSG_HOME ${DEPENDENCY_PATH}/nng/${LIB_UNIFIED_SUPPORT})
 set(NCURSES_HOME ${DEPENDENCY_PATH}/ncurses/${SUPPORT_LLT})
-if($ENV{WITH_TASSL}  STREQUAL "YES")
+if(($ENV{WITH_TASSL}) STREQUAL "YES")
     set(OPENSSL_HOME ${DEPENDENCY_PATH}/tassl/${LIB_UNIFIED_SUPPORT})
 else()
     set(OPENSSL_HOME ${DEPENDENCY_PATH}/openssl/${LIB_UNIFIED_SUPPORT})