diff --git a/CMakeLists.txt b/CMakeLists.txt
index a075aca..8657ef7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -168,7 +168,7 @@ set(CMAKE_REQUIRED_LIBRARIES ${HIREDIS_FEATURE_TEST_LIB})
 
 CHECK_SYMBOL_EXISTS(redisEnableKeepAliveWithInterval ${HIREDIS_FEATURE_TEST_HEADER} REDIS_PLUS_PLUS_HAS_redisEnableKeepAliveWithInterval)
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/hiredis_features.h.in ${CMAKE_CURRENT_SOURCE_DIR}/${REDIS_PLUS_PLUS_SOURCE_DIR}/hiredis_features.h)
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/hiredis_features.h.in" "${CMAKE_CURRENT_SOURCE_DIR}/${REDIS_PLUS_PLUS_SOURCE_DIR}/hiredis_features.h")
 
 # Restore CMAKE_REQUIRED_LIBRARIES
 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_BACK})