diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h
index 6c6d9669cbd..1f6a56a336d 100644
--- a/src/gallium/auxiliary/util/u_pack_color.h
+++ b/src/gallium/auxiliary/util/u_pack_color.h
@@ -52,6 +52,7 @@ union util_color {
    ubyte ub;
    ushort us;
    uint ui;
+   ushort h[4]; /* half float */
    float f[4];
    double d[4];
 };