diff --git a/deploy/cpp_infer/CMakeLists.txt b/deploy/cpp_infer/CMakeLists.txt
index b1cbf3e7..0f751a22 100644
--- a/deploy/cpp_infer/CMakeLists.txt
+++ b/deploy/cpp_infer/CMakeLists.txt
@@ -52,9 +52,9 @@ include_directories(${OpenCV_INCLUDE_DIRS})
 
 if (WIN32)
     add_definitions("/DGOOGLE_GLOG_DLL_DECL=")
-	if(WITH_MKL)
-		set(FLAG_OPENMP "/openmp")
-	endif()
+    if(WITH_MKL)
+        set(FLAG_OPENMP "/openmp")
+    endif()
     set(CMAKE_C_FLAGS_DEBUG   "${CMAKE_C_FLAGS_DEBUG} /bigobj /MTd ${FLAG_OPENMP}")
     set(CMAKE_C_FLAGS_RELEASE  "${CMAKE_C_FLAGS_RELEASE} /bigobj /MT ${FLAG_OPENMP}")
     set(CMAKE_CXX_FLAGS_DEBUG  "${CMAKE_CXX_FLAGS_DEBUG} /bigobj /MTd ${FLAG_OPENMP}")
@@ -63,17 +63,17 @@ if (WIN32)
         safe_set_static_flag()
         add_definitions(-DSTATIC_LIB)
     endif()
-	message("cmake c debug flags " ${CMAKE_C_FLAGS_DEBUG})
-	message("cmake c release flags " ${CMAKE_C_FLAGS_RELEASE})
-	message("cmake cxx debug flags " ${CMAKE_CXX_FLAGS_DEBUG})
-	message("cmake cxx release flags " ${CMAKE_CXX_FLAGS_RELEASE})
+    message("cmake c debug flags " ${CMAKE_C_FLAGS_DEBUG})
+    message("cmake c release flags " ${CMAKE_C_FLAGS_RELEASE})
+    message("cmake cxx debug flags " ${CMAKE_CXX_FLAGS_DEBUG})
+    message("cmake cxx release flags " ${CMAKE_CXX_FLAGS_RELEASE})
 else()
-	if(WITH_MKL)
-		set(FLAG_OPENMP "-fopenmp")
+    if(WITH_MKL)
+        set(FLAG_OPENMP "-fopenmp")
     endif()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -o3 ${FLAG_OPENMP} -std=c++11")
     set(CMAKE_STATIC_LIBRARY_PREFIX "")
-	message("cmake cxx flags" ${CMAKE_CXX_FLAGS})
+    message("cmake cxx flags" ${CMAKE_CXX_FLAGS})
 endif()
 
 if (WITH_GPU)