diff --git a/irc/server.go b/irc/server.go
index e3016453..7c5bebc0 100644
--- a/irc/server.go
+++ b/irc/server.go
@@ -84,15 +84,6 @@ type Server struct {
 	semaphores        ServerSemaphores
 }
 
-var (
-	// ServerExitSignals are the signals the server will exit on.
-	ServerExitSignals = []os.Signal{
-		syscall.SIGINT,
-		syscall.SIGTERM,
-		syscall.SIGQUIT,
-	}
-)
-
 // NewServer returns a new Oragono server.
 func NewServer(config *Config, logger *logger.Manager) (*Server, error) {
 	// initialize data structures
diff --git a/irc/signals.go b/irc/signals.go
new file mode 100644
index 00000000..1942932d
--- /dev/null
+++ b/irc/signals.go
@@ -0,0 +1,20 @@
+// +build !plan9
+
+// Copyright (c) 2020 Shivaram Lingamneni
+// released under the MIT license
+
+package irc
+
+import (
+	"os"
+	"syscall"
+)
+
+var (
+	// ServerExitSignals are the signals the server will exit on.
+	ServerExitSignals = []os.Signal{
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+	}
+)
diff --git a/irc/signals_plan9.go b/irc/signals_plan9.go
new file mode 100644
index 00000000..eb8cc05b
--- /dev/null
+++ b/irc/signals_plan9.go
@@ -0,0 +1,20 @@
+// +build plan9
+
+// Copyright (c) 2020 Shivaram Lingamneni
+// released under the MIT license
+
+package irc
+
+import (
+	"os"
+	"syscall"
+)
+
+var (
+	// ServerExitSignals are the signals the server will exit on.
+	// (no SIGQUIT on plan9)
+	ServerExitSignals = []os.Signal{
+		syscall.SIGINT,
+		syscall.SIGTERM,
+	}
+)