--- a/test/configure	Fri Sep 22 22:30:18 2023 +0200
+++ b/test/configure	Fri Sep 22 23:22:28 2023 +0200
@@ -15,7 +15,7 @@
 
 # define standard variables
 PREFIX=/usr
-EPREFIX=/usr
+EPREFIX=
 BINDIR=
 SBINDIR=
 LIBDIR=
@@ -104,6 +104,7 @@
 
 
 # set dir variables
+: ${EPREFIX:="$PREFIX"}
 : ${BINDIR:="$EPREFIX/bin"}
 : ${SBINDIR:="$EPREFIX/sbin"}
 : ${LIBDIR:="$EPREFIX/lib"}