diff --git a/virtualsmartcard/configure.ac b/virtualsmartcard/configure.ac
index c5f530f..891e53d 100644
--- a/virtualsmartcard/configure.ac
+++ b/virtualsmartcard/configure.ac
@@ -367,5 +367,6 @@ LIB_PREFIX:           ${LIB_PREFIX}
 DYN_LIB_EXT:          ${DYN_LIB_EXT}
 
 HELP2MAN:             ${HELP2MAN}
+PYTHON:               ${PYTHON}
 
 EOF