diff --git a/3rdparty/libtiff/CMakeLists.txt b/3rdparty/libtiff/CMakeLists.txt
index 0e084d1a29..7767cf49b5 100644
--- a/3rdparty/libtiff/CMakeLists.txt
+++ b/3rdparty/libtiff/CMakeLists.txt
@@ -417,7 +417,7 @@ set(lib_srcs
     tif_write.c
     tif_zip.c
     tif_stream.cxx
-	snprintf.c
+    snprintf.c
     t4.h
     tif_dir.h
     tif_fax3.h