diff --git a/src/clapp/CMakeLists.txt b/src/clapp/CMakeLists.txt
index 65758f7279195a98da3809ddf302446665594a36..d3169a594335ffa518be7ce762e2301c7cbf2cc3 100644
--- a/src/clapp/CMakeLists.txt
+++ b/src/clapp/CMakeLists.txt
@@ -9,9 +9,9 @@ target_include_directories(clapp PUBLIC ${libClaPP_INCLUDE_DIRS})
 target_link_libraries(clapp PUBLIC libClaPP_SANITIZER)
 target_link_libraries(clapp PRIVATE libClaPP_CXX_COMPILE_OPTIONS)
 set_target_properties(clapp PROPERTIES
-	                    VERSION "${libClaPP_VERSION}"
-			    SOVERSION "${libClaPP_VERSION_MAJOR}.${libClaPP_VERSION_MINOR}"
-			    POSITION_INDEPENDENT_CODE ON)
+                            VERSION "${libClaPP_VERSION}"
+                            SOVERSION "${libClaPP_VERSION_MAJOR}.${libClaPP_VERSION_MINOR}"
+                            POSITION_INDEPENDENT_CODE ON)
 if(libClaPP_CLANG_TIDY_ARGS)
   set_target_properties(clapp PROPERTIES CXX_CLANG_TIDY "${libClaPP_CLANG_TIDY_ARGS}")
 endif()