diff --git a/src/main/scala/li/cil/oc/common/component/TextBuffer.scala b/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
index cb28af4a9..907282b41 100644
--- a/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
+++ b/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
@@ -135,7 +135,7 @@ class TextBuffer(val host: EnvironmentHost) extends prefab.ManagedEnvironment wi
       _pendingCommands = None
     }
 
-    if (syncCooldown > 0) {
+    if (SideTracker.isClient && syncCooldown > 0) {
       syncCooldown -= 1
       if (syncCooldown == 0) {
         syncCooldown = syncInterval