diff --git a/src/x11/iconcache.c b/src/x11/iconcache.c
index 15d72da65..69d4d14f3 100644
--- a/src/x11/iconcache.c
+++ b/src/x11/iconcache.c
@@ -297,6 +297,7 @@ standard_pict_format_for_depth (int depth)
       return PictStandardA1;
     case 24:
       return PictStandardRGB24;
+    case 16:
     case 32:
       return PictStandardARGB32;
     default: