diff --git a/pairgoth-common/src/main/kotlin/org/jeudego/pairgoth/util/Colorizer.kt b/pairgoth-common/src/main/kotlin/org/jeudego/pairgoth/util/Colorizer.kt
index f3d2a09..20d90bd 100644
--- a/pairgoth-common/src/main/kotlin/org/jeudego/pairgoth/util/Colorizer.kt
+++ b/pairgoth-common/src/main/kotlin/org/jeudego/pairgoth/util/Colorizer.kt
@@ -3,6 +3,7 @@ package org.jeudego.pairgoth.util
 import com.diogonunes.jcolor.Ansi
 import com.diogonunes.jcolor.AnsiFormat
 import com.diogonunes.jcolor.Attribute
+import java.util.*
 
 private val blue = AnsiFormat(Attribute.BRIGHT_BLUE_TEXT())
 private val green = AnsiFormat(Attribute.BRIGHT_GREEN_TEXT())
@@ -11,8 +12,10 @@ private val bold = AnsiFormat(Attribute.BOLD())
 
 object Colorizer {
 
-    fun blue(str: String) = Ansi.colorize(str, blue)
-    fun green(str: String) = Ansi.colorize(str, green)
-    fun red(str: String) = Ansi.colorize(str, red)
-    fun bold(str: String) = Ansi.colorize(str, bold)
+    val colorize = System.getProperty("os.name").lowercase(Locale.ROOT).contains(Regex("nix|nux|aix"))
+
+    fun blue(str: String) = if (colorize) Ansi.colorize(str, blue) else str
+    fun green(str: String) = if (colorize) Ansi.colorize(str, green) else str
+    fun red(str: String) = if (colorize) Ansi.colorize(str, red) else str
+    fun bold(str: String) = if (colorize) Ansi.colorize(str, bold) else str
 }