diff --git a/build/build.plugin.zsh b/build/build.plugin.zsh
index 6a35643..d029019 100644
--- a/build/build.plugin.zsh
+++ b/build/build.plugin.zsh
@@ -149,7 +149,9 @@ EOF
     hash -d build=$build_dir
 
     # If `--build` is specified then evaluate the command.
-    [[ -n $do_build ]] && eval build
+    if [[ -n $do_build ]]; then
+      eval build
+    fi
   fi
 }