diff --git a/src/lib/utils.c b/src/lib/utils.c
index d2b1b5a..ed3047a 100644
--- a/src/lib/utils.c
+++ b/src/lib/utils.c
@@ -129,6 +129,7 @@ int mime_is_compressible(const char *type) {
         strcmp(type_parsed, "font/opentype") == 0 ||
         strcmp(type_parsed, "image/bmp") == 0 ||
         strcmp(type_parsed, "image/vnd.microsoft.icon") == 0 ||
+        strcmp(type_parsed, "image/vnd.microsoft.iconbinary") == 0 ||
         strcmp(type_parsed, "image/x-icon") == 0;
 }