diff --git a/PowerEditor/src/ScitillaComponent/ScintillaEditView.h b/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
index 0f5781b2e..666f54053 100644
--- a/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
+++ b/PowerEditor/src/ScitillaComponent/ScintillaEditView.h
@@ -740,7 +740,7 @@ protected:
 	};
 
 	void setPythonLexer() {
-		setLexer(SCLEX_PYTHON, L_PYTHON, LIST_0);
+		setLexer(SCLEX_PYTHON, L_PYTHON, LIST_0 | LIST_1);
 	};
 
 	void setBatchLexer() {