diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 7cc271d8ebe71ff4aad9cd46e0cd682f4f318861..1db433666374492f80431ed7d025f19bf0061459 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -125,6 +125,8 @@ ENV=
 # Don't install anything (different from default EPICS make rules).
 default: build
 
+prebuild:
+
 IGNOREFILES = .cvsignore .gitignore
 %: ${IGNOREFILES}
 ${IGNOREFILES}: