diff --git a/zshrc b/zshrc
index 4dab3fd..7552b5f 100644
--- a/zshrc
+++ b/zshrc
@@ -32,7 +32,7 @@ source-plugin build
 source-plugin sandbox
 
 # Layout tmux window commands
-source-plugin layout
+[ "$TMUX" != "" ] && source-plugin layout
 
 # Note taking commands
 source-plugin notes