diff --git a/src/buffer.hh b/src/buffer.hh
index 4fa42d56..41b29b77 100644
--- a/src/buffer.hh
+++ b/src/buffer.hh
@@ -23,7 +23,7 @@ enum class EolFormat
 
 constexpr auto enum_desc(Meta::Type<EolFormat>)
 {
-    return make_array<EnumDesc<EolFormat>>({
+    return make_array<EnumDesc<EolFormat>, 2>({
         { EolFormat::Lf, "lf" },
         { EolFormat::Crlf, "crlf" },
     });
@@ -37,7 +37,7 @@ enum class ByteOrderMark
 
 constexpr auto enum_desc(Meta::Type<ByteOrderMark>)
 {
-    return make_array<EnumDesc<ByteOrderMark>>({
+    return make_array<EnumDesc<ByteOrderMark>, 2>({
         { ByteOrderMark::None, "none" },
         { ByteOrderMark::Utf8, "utf8" },
     });
diff --git a/src/client.hh b/src/client.hh
index f65208e5..daf8aa02 100644
--- a/src/client.hh
+++ b/src/client.hh
@@ -133,7 +133,7 @@ enum class Autoreload
 
 constexpr auto enum_desc(Meta::Type<Autoreload>)
 {
-    return make_array<EnumDesc<Autoreload>>({
+    return make_array<EnumDesc<Autoreload>, 5>({
         { Autoreload::Yes, "yes" },
         { Autoreload::No, "no" },
         { Autoreload::Ask, "ask" },
diff --git a/src/input_handler.hh b/src/input_handler.hh
index 71d93220..e4cad6d0 100644
--- a/src/input_handler.hh
+++ b/src/input_handler.hh
@@ -138,7 +138,7 @@ constexpr bool with_bit_ops(Meta::Type<AutoInfo>) { return true; }
 
 constexpr auto enum_desc(Meta::Type<AutoInfo>)
 {
-    return make_array<EnumDesc<AutoInfo>>({
+    return make_array<EnumDesc<AutoInfo>, 3>({
         { AutoInfo::Command, "command"},
         { AutoInfo::OnKey, "onkey"},
         { AutoInfo::Normal, "normal" }