diff --git a/validate/tools/gst-validate-launcher.in b/validate/tools/gst-validate-launcher.in
index 28ad909bf2..1787f678d0 100755
--- a/validate/tools/gst-validate-launcher.in
+++ b/validate/tools/gst-validate-launcher.in
@@ -52,6 +52,8 @@ def _add_gst_launcher_path():
         dir_ = os.path.dirname(os.path.abspath(__file__))
         root = os.path.split(dir_)[0]
     elif __file__.startswith(BUILDDIR):
+        # Make sure to have the configured config.py in the python path
+        sys.path.insert(0, os.path.abspath(os.path.join(BUILDDIR, "..", "launcher")))
         root = os.path.abspath(os.path.join(SRCDIR, "../"))
     else:
         root = os.path.join(LIBDIR, 'gst-validate-launcher', 'python')