diff --git a/dev b/dev
index 9f2b9450e..ea5a444cc 100755
--- a/dev
+++ b/dev
@@ -206,6 +206,13 @@ prepare_erl_libs() {
             fi
         done
     fi
+    if [ -e "_build/${profile}/checkouts" ]; then
+        for app in "_build/${profile}/checkouts"/*; do
+            erl_libs="${erl_libs}${sep}${app}"
+        done
+    else
+        echo "no checkouts"
+    fi
     export ERL_LIBS="$erl_libs"
 }