diff --git a/misc/tools.func b/misc/tools.func
index fcfbdd2..0514eb7 100644
--- a/misc/tools.func
+++ b/misc/tools.func
@@ -452,6 +452,7 @@ install_composer() {
   fi
 
   chmod +x "$COMPOSER_BIN"
+  composer diagnose >/dev/null 2>&1
   msg_ok "Installed Composer $($COMPOSER_BIN --version | awk '{print $3}')"
 }