diff --git a/cucul/colour.c b/cucul/colour.c
index 02536a4..3f00d52 100644
--- a/cucul/colour.c
+++ b/cucul/colour.c
@@ -26,10 +26,13 @@
 #include "cucul.h"
 #include "cucul_internals.h"
 
+/* RGB colours for the ANSI palette. There is no real standard, so we
+ * use the same values as gnome-terminal. The 7th colour (brown) is a bit
+ * special. */
 static const uint16_t ansitab[16] =
 {
-    0xf000, 0xf008, 0xf080, 0xf088, 0xf800, 0xf808, 0xf880, 0xf888,
-    0xf444, 0xf44f, 0xf4f4, 0xf4ff, 0xff44, 0xff4f, 0xfff4, 0xffff,
+    0xf000, 0xf00a, 0xf0a0, 0xf0aa, 0xfa00, 0xfa0a, 0xfa50, 0xfaaa,
+    0xf555, 0xf55f, 0xf5f5, 0xf5ff, 0xff55, 0xff5f, 0xfff5, 0xffff,
 };
 
 /** \brief Set the default colour pair.