diff --git a/config/zsh/.zshrc b/config/zsh/.zshrc
index 58c8ee2..a1b1910 100644
--- a/config/zsh/.zshrc
+++ b/config/zsh/.zshrc
@@ -16,3 +16,6 @@ unset filepath
 # Prevent ctrl-s from freezing the terminal.
 stty stop undef
 
+# Allow comments in interactive use.
+setopt INTERACTIVE_COMMENTS
+