diff --git a/src/include/lib3270.h b/src/include/lib3270.h
index 38935bb..c500e86 100644
--- a/src/include/lib3270.h
+++ b/src/include/lib3270.h
@@ -141,7 +141,9 @@
 		LIB3270_ATTR_COLOR_MUSTARD			= 0x000E,
 		LIB3270_ATTR_COLOR_GRAY				= 0x000F,
 
-		LIB3270_ATTR_COLOR					= 0x00FF,
+		LIB3270_ATTR_COLOR					= 0x000F,
+
+		LIB3270_ATTR_INVERT					= 0x0080,
 
 		LIB3270_ATTR_FIELD					= 0x0100,
 		LIB3270_ATTR_BLINK					= 0x0200,
--
libgit2 0.21.2