diff --git a/cmake/scripts/CreateGRF.cmake b/cmake/scripts/CreateGRF.cmake
--- a/cmake/scripts/CreateGRF.cmake
+++ b/cmake/scripts/CreateGRF.cmake
@@ -5,18 +5,18 @@ cmake_minimum_required(VERSION 3.5)
 # files.
 #
 
-if (NOT NFORENUM_EXECUTABLE)
+if(NOT NFORENUM_EXECUTABLE)
     message(FATAL_ERROR "Script needs NFORENUM_EXECUTABLE defined")
-endif (NOT NFORENUM_EXECUTABLE)
-if (NOT GRFCODEC_EXECUTABLE)
+endif()
+if(NOT GRFCODEC_EXECUTABLE)
     message(FATAL_ERROR "Script needs GRFCODEC_EXECUTABLE defined")
-endif (NOT GRFCODEC_EXECUTABLE)
-if (NOT GRF_SOURCE_FOLDER)
+endif()
+if(NOT GRF_SOURCE_FOLDER)
     message(FATAL_ERROR "Script needs GRF_SOURCE_FOLDER defined")
-endif (NOT GRF_SOURCE_FOLDER)
-if (NOT GRF_BINARY_FILE)
+endif()
+if(NOT GRF_BINARY_FILE)
     message(FATAL_ERROR "Script needs GRF_BINARY_FILE defined")
-endif (NOT GRF_BINARY_FILE)
+endif()
 
 get_filename_component(GRF_SOURCE_FOLDER_NAME "${GRF_SOURCE_FOLDER}" NAME)
 
@@ -30,14 +30,14 @@ foreach(NFO_LINE IN LISTS NFO_LINES)
     # Recover the ; that was really in the text (and not a newline)
     string(REPLACE "\\;" ";" NFO_LINE "${NFO_LINE}")
 
-    if (NFO_LINE MATCHES "^#include")
+    if(NFO_LINE MATCHES "^#include")
         string(REGEX REPLACE "^#include \"(.*)\"$" "\\1" INCLUDE_FILE ${NFO_LINE})
         file(READ ${GRF_SOURCE_FOLDER}/${INCLUDE_FILE} INCLUDE_LINES)
         file(APPEND sprites/${GRF_SOURCE_FOLDER_NAME}.nfo "${INCLUDE_LINES}")
-    else (NFO_LINE MATCHES "^#include")
+    else()
         file(APPEND sprites/${GRF_SOURCE_FOLDER_NAME}.nfo "${NFO_LINE}\n")
-    endif (NFO_LINE MATCHES "^#include")
-endforeach(NFO_LINE)
+    endif()
+endforeach()
 
 execute_process(COMMAND ${NFORENUM_EXECUTABLE} -s sprites/${GRF_SOURCE_FOLDER_NAME}.nfo)
 execute_process(COMMAND ${GRFCODEC_EXECUTABLE} -n -s -e -p1 ${GRF_SOURCE_FOLDER_NAME}.grf)