diff --git a/cmake/Modules/YAML.cmake b/cmake/Modules/YAML.cmake
index 05163675df..a080b566be 100644
--- a/cmake/Modules/YAML.cmake
+++ b/cmake/Modules/YAML.cmake
@@ -5,7 +5,7 @@ set(YAML_URL "https://pyyaml.org/download/libyaml/yaml-0.2.5.tar.gz" CACHE STRIN
 mark_as_advanced(YAML_URL)
 ExternalProject_Add(libyaml
                     URL               ${YAML_URL}
-                    URL_MD5           bb15429d8fb787e7d3f1c83ae129a999  
+                    URL_MD5           bb15429d8fb787e7d3f1c83ae129a999
                     SOURCE_DIR        "${CMAKE_BINARY_DIR}/yaml-src"
                     BINARY_DIR        "${CMAKE_BINARY_DIR}/yaml-build"
                     CONFIGURE_COMMAND <SOURCE_DIR>/configure ${CONFIGURE_REQUEST_PIC}