diff --git a/build/build.plugin.zsh b/build/build.plugin.zsh
index e9202dd..ffa1966 100644
--- a/build/build.plugin.zsh
+++ b/build/build.plugin.zsh
@@ -84,6 +84,8 @@ EOF
     integer index=0
     if [[ ${#local_build_dirs} -eq 0 ]]; then
       error "no build directories found"; return 1
+    elif [[ ${#local_build_dirs} -eq 1 ]]; then
+      local_build_dir=${local_build_dirs[1]}
     elif [[ ${#local_build_dirs} -gt 1 ]]; then
       if command -v fzf &> /dev/null; then
         # Use fzf to select a build directory