diff --git a/matrix/error.cc b/matrix/error.cc
index a9b5c67f0..bc2a44c05 100644
--- a/matrix/error.cc
+++ b/matrix/error.cc
@@ -16,10 +16,10 @@ namespace ircd::m
 	}};
 }
 
+[[gnu::tls_model("global-dynamic")]]
 thread_local
 decltype(ircd::m::error::fmtbuf)
-ircd::m::error::fmtbuf
-{};
+ircd::m::error::fmtbuf;
 
 //
 // error::error
diff --git a/matrix/event.cc b/matrix/event.cc
index 8c6695d9a..9937524b8 100644
--- a/matrix/event.cc
+++ b/matrix/event.cc
@@ -23,6 +23,7 @@ ircd::m::event::max_size
 	{ "default",   65507L            },
 };
 
+[[gnu::tls_model("global-dynamic")]]
 decltype(ircd::m::event::buf)
 thread_local
 ircd::m::event::buf;