diff --git a/src/PythonBridge/PBApplication.class.st b/src/PythonBridge/PBApplication.class.st
index 610df48..c55bbcc 100644
--- a/src/PythonBridge/PBApplication.class.st
+++ b/src/PythonBridge/PBApplication.class.st
@@ -119,6 +119,7 @@ PBApplication class >> test [
 
 { #category : #instructions }
 PBApplication class >> uniqueInstance [
+	uniqueInstance ifNil: [ self start ].
 	^ uniqueInstance
 ]