diff --git a/tests/scripts/check-names.sh b/tests/scripts/check-names.sh
index ee726074b..dc097ee8e 100755
--- a/tests/scripts/check-names.sh
+++ b/tests/scripts/check-names.sh
@@ -86,7 +86,8 @@ printf "Likely typos: "
 sort -u actual-macros enum-consts > _caps
 HEADERS=$( ls include/mbedtls/*.h include/psa/*.h | egrep -v 'compat-1\.3\.h' )
 HEADERS="$HEADERS 3rdparty/everest/include/everest/everest.h 3rdparty/everest/include/everest/x25519.h"
-LIBRARY="$( ls library/*.c ) 3rdparty/everest/library/everest.c 3rdparty/everest/library/x25519.c"
+LIBRARY="$( ls library/*.c )"
+LIBRARY="$LIBRARY 3rdparty/everest/library/everest.c 3rdparty/everest/library/x25519.c"
 NL='
 '
 sed -n 's/MBED..._[A-Z0-9_]*/\'"$NL"'&\'"$NL"/gp \