diff --git a/mongoose.c b/mongoose.c
index 97e15038a28b1a3f1615d12f0f1f79e58152545d..d39709e315bc614b948a736fd1d65d493840ec08 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -1259,7 +1259,7 @@ static const struct {
   {".tar", 4, "application/x-tar"},
   {".gz",  3, "application/x-gunzip"},
   {".arj", 4, "application/x-arj-compressed"},
-  {".rar", 4, "application/x-arj-compressed"},
+  {".rar", 4, "application/x-rar-compressed"},
   {".rtf", 4, "application/rtf"},
   {".pdf", 4, "application/pdf"},
   {".swf", 4, "application/x-shockwave-flash"},