diff --git a/packages/app-cdr/bin2iso/bin2iso-1.9b.exheres-0 b/packages/app-cdr/bin2iso/bin2iso-1.9b.exheres-0
index 1ad6781..91f02fd 100644
--- a/packages/app-cdr/bin2iso/bin2iso-1.9b.exheres-0
+++ b/packages/app-cdr/bin2iso/bin2iso-1.9b.exheres-0
@@ -19,6 +19,10 @@ MYOPTIONS=""
 
 DEPENDENCIES=""
 
+SKIP_FUNCTIONS="unpack"
+
+WORK="${WORKBASE}"
+
 src_compile() {
     $(tc-getCC) ${CFLAGS} ${LDFLAGS} -o "${SRC}.out" "${FETCHEDDIR}/${SRC}" \
         || die "compilation failed"