Index: tools/test_passphrase.sh
--- tools/test_passphrase.sh.orig
+++ tools/test_passphrase.sh
@@ -10,11 +10,11 @@ echo === testing `affcrypto -V` ===
 echo === MAKING THE TEST FILES ==
 unset AFFLIB_PASSPHRASE
 
-BLANK_BASE=`mktemp -t blankXXXXX`
+BLANK_BASE=`mktemp -t blankXXXXXXXXXX`
 BLANK_AFF=$BLANK_BASE.aff
 BLANK_ISO=$BLANK_BASE.raw
 BLANK_ENCRYPTED_AFF=${BLANK_BASE}_encrypted.aff
-WORDS=`mktemp -t wordsXXXX`
+WORDS=`mktemp -t wordsXXXXXXXXXX`
 
 rm -f $BLANK_ISO $BLANK_AFF $BLANK_ENCRYPTED_AFF $WORDS
 test_make_random_iso.sh $BLANK_ISO || (echo Cannot run test_make_random_iso.sh && exit -1)
