diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index fd60ec1..1f0e0ae 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -101,6 +101,8 @@ TEMPLATES=
 SOURCES=
 DBDS=
 HEADERS=
+BASH_ENV=
+ENV=
 
 # Default target is "build" for all versions.
 # Don't install anything (different from default EPICS make rules).