diff --git a/modules/custom_color_messages.cmake b/modules/custom_color_messages.cmake
index f968440..87de6b5 100644
--- a/modules/custom_color_messages.cmake
+++ b/modules/custom_color_messages.cmake
@@ -3,7 +3,7 @@
 # Colorize CMake output.
 # Code was found on StackOverflow: http://stackoverflow.com/a/19578320
 #
-# Usage within CMake code
+# Usage within CMake code:
 #   message("This is normal")
 #   message("${Red}This is Red${ColourReset}")
 #   message("${Green}This is Green${ColourReset}")
@@ -19,23 +19,42 @@
 #   message("${BoldMagenta}This is BoldMagenta${ColourReset}")
 #   message("${BoldCyan}This is BoldCyan${ColourReset}")
 #   message("${BoldWhite}This is BoldWhite\n\n${ColourReset}")
+#
+# Has no effect on WIN32.
 
-if(NOT WIN32)
-  string(ASCII 27 Esc)
-  set(ColourReset "${Esc}[m")
-  set(ColourBold  "${Esc}[1m")
-  set(Red         "${Esc}[31m")
-  set(Green       "${Esc}[32m")
-  set(Yellow      "${Esc}[33m")
-  set(Blue        "${Esc}[34m")
-  set(Magenta     "${Esc}[35m")
-  set(Cyan        "${Esc}[36m")
-  set(White       "${Esc}[37m")
-  set(BoldRed     "${Esc}[1;31m")
-  set(BoldGreen   "${Esc}[1;32m")
-  set(BoldYellow  "${Esc}[1;33m")
-  set(BoldBlue    "${Esc}[1;34m")
-  set(BoldMagenta "${Esc}[1;35m")
-  set(BoldCyan    "${Esc}[1;36m")
-  set(BoldWhite   "${Esc}[1;37m")
+if(WIN32)
+    set(ColourReset "")
+    set(ColourBold  "")
+    set(Red         "")
+    set(Green       "")
+    set(Yellow      "")
+    set(Blue        "")
+    set(Magenta     "")
+    set(Cyan        "")
+    set(White       "")
+    set(BoldRed     "")
+    set(BoldGreen   "")
+    set(BoldYellow  "")
+    set(BoldBlue    "")
+    set(BoldMagenta "")
+    set(BoldCyan    "")
+    set(BoldWhite   "")
+else()
+    string(ASCII 27 Esc)
+    set(ColourReset "${Esc}[m")
+    set(ColourBold  "${Esc}[1m")
+    set(Red         "${Esc}[31m")
+    set(Green       "${Esc}[32m")
+    set(Yellow      "${Esc}[33m")
+    set(Blue        "${Esc}[34m")
+    set(Magenta     "${Esc}[35m")
+    set(Cyan        "${Esc}[36m")
+    set(White       "${Esc}[37m")
+    set(BoldRed     "${Esc}[1;31m")
+    set(BoldGreen   "${Esc}[1;32m")
+    set(BoldYellow  "${Esc}[1;33m")
+    set(BoldBlue    "${Esc}[1;34m")
+    set(BoldMagenta "${Esc}[1;35m")
+    set(BoldCyan    "${Esc}[1;36m")
+    set(BoldWhite   "${Esc}[1;37m")
 endif()