diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 59c383d..db9a7a1 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -148,7 +148,7 @@ ifndef EPICSVERSION
 
 # Find out which EPICS versions to build.
 INSTALLED_EPICS_VERSIONS := $(sort $(patsubst ${EPICS_LOCATION}/base-%,%,$(realpath $(wildcard ${EPICS_LOCATION}/base-*[0-9]))))
-EPICS_VERSIONS = $(filter-out ${EXCLUDE_VERSIONS:=%},${DEFAULT_EPICS_VERSIONS})
+EPICS_VERSIONS = $(filter-out ${EXCLUDE_VERSIONS} ${EXCLUDE_VERSIONS:=.%},${DEFAULT_EPICS_VERSIONS})
 MISSING_EPICS_VERSIONS = $(filter-out ${BUILD_EPICS_VERSIONS},${EPICS_VERSIONS})
 BUILD_EPICS_VERSIONS = $(filter ${INSTALLED_EPICS_VERSIONS},${EPICS_VERSIONS})
 $(foreach v,$(sort $(basename $(basename $(basename ${BUILD_EPICS_VERSIONS}))) $(basename $(basename ${BUILD_EPICS_VERSIONS})) $(basename ${BUILD_EPICS_VERSIONS})),$(eval EPICS_VERSIONS_$v=$(filter $v.%,${BUILD_EPICS_VERSIONS})))