diff --git a/stack.sh b/stack.sh
index accfd0a..638d471 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1373,9 +1373,16 @@
     $TOP_DIR/local.sh
 fi
 
+# Sanity checks
+# =============
+
 # Check the status of running services
 service_check
 
+# ensure that all the libraries we think we installed from git,
+# actually were.
+check_libs_from_git
+
 
 # Bash completion
 # ===============