diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cf4b9b326..91a90debe 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,7 +8,7 @@ if(ICAL_GLIB)
   add_subdirectory(libical-glib)
 endif()
 if (ICAL_VCARD)
-    add_subdirectory(libicalvcard)
+  add_subdirectory(libicalvcard)
 endif()
 if(LIBICAL_BUILD_TESTING)
   add_subdirectory(test)
diff --git a/src/libicalvcard/CMakeLists.txt b/src/libicalvcard/CMakeLists.txt
index cb54bda3e..9b6cffdfd 100644
--- a/src/libicalvcard/CMakeLists.txt
+++ b/src/libicalvcard/CMakeLists.txt
@@ -212,7 +212,7 @@ endif()
 target_link_libraries(icalvcard ical)
 
 if ( MSVC )
-    target_compile_options(icalvcard PRIVATE /W4 /WX)
+  target_compile_options(icalvcard PRIVATE /W4 /WX)
 else()
   target_compile_options(icalvcard PRIVATE -Wall -Wextra -Werror)
 endif()