diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index b545fc8..cd68898 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -134,7 +134,7 @@ $(foreach v,$(sort $(basename $(basename ${BUILD_EPICS_VERSIONS})) $(basename ${
 # Check only version of files needed to build the module. But which are they?
 VERSIONCHECKFILES = $(filter-out /% -none-, $(wildcard *makefile* *Makefile* *.db *.template *.subs *.dbd *.cmd) ${SOURCES} ${DBDS} ${TEMPLATES} ${SCRIPTS} $($(filter SOURCES_% DBDS_%,${.VARIABLES})))
 VERSIONCHECKCMD = ${MAKEHOME}/getVersion.tcl ${VERSIONDEBUGFLAG} ${VERSIONCHECKFILES}
-LIBVERSION := $(or $(filter-out test,$(shell ${VERSIONCHECKCMD} 2>/dev/null)),${USER},test)
+LIBVERSION = $(or $(filter-out test,$(shell ${VERSIONCHECKCMD} 2>/dev/null)),${USER},test)
 VERSIONDEBUGFLAG = $(if ${VERSIONDEBUG}, -d)
 
 # Default module name is name of current directory.