diff --git a/src/IhtaAddLibrary.cmake b/src/IhtaAddLibrary.cmake
index 235f31970b672fa84bf0da3bbf51675e70ac2eb6..6b9648ca2938d94b032da615099b3e10145ae301 100644
--- a/src/IhtaAddLibrary.cmake
+++ b/src/IhtaAddLibrary.cmake
@@ -7,7 +7,7 @@ include_guard ()
 
 	This macro also allows to create a unit test executable with the same command.
 
-	In most cases, after this command only link libraries have to be set and 
+	In most cases, after this command only link libraries have to be set and
 	optionally install directives.
 
 	Note: when using generated export headers from cmake, these have to be added
@@ -52,14 +52,14 @@ include_guard ()
 
 		Optional namespace for the alias target of the library.
 
-		At least NAMESPACE or IDE_FOLDER must be given. If only one is given, the other 
+		At least NAMESPACE or IDE_FOLDER must be given. If only one is given, the other
 		one will be set to the value of the given one.
 
 	.. variable:: IDE_FOLDER
 
 		Optional IDE folder for the library target(s).
 
-		At least NAMESPACE or IDE_FOLDER must be given. If only one is given, the other 
+		At least NAMESPACE or IDE_FOLDER must be given. If only one is given, the other
 		one will be set to the value of the given one.
 
 	.. variable:: INCLUDE_DIR
@@ -132,10 +132,7 @@ macro (ihta_add_library)
 	if (DEFINED IHTA_ADD_LIB_LIBRARY_TYPE)
 		set (IHTA_ADD_LIB_TYPES "STATIC" "SHARED")
 		if (NOT (${IHTA_ADD_LIB_LIBRARY_TYPE} IN_LIST IHTA_ADD_LIB_TYPES))
-			message (
-				FATAL_ERROR
-					"ihta_add_library only supports the following LIBRARY_TYPE's: STATIC, SHARED"
-			)
+			message (FATAL_ERROR "ihta_add_library only supports the following LIBRARY_TYPE's: STATIC, SHARED")
 		endif ()
 	else ()
 		set (IHTA_ADD_LIB_TYPES STATIC)