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-rw-r--r--tests/init.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/init.sh b/tests/init.sh
index 1c0b4b4f1..05a983a45 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -98,7 +98,7 @@ test -n "$EXEEXT" && shopt -s expand_aliases
# This is cheap and useful for exposing code that depends on the fact that
# malloc-related functions often return memory that is mostly zeroed.
# If you have the time and cycles, use valgrind to do an even better job.
-${MALLOC_PERTURB_=87}
+: ${MALLOC_PERTURB_=87}
export MALLOC_PERTURB_
# We use a trap below for cleanup. This requires us to go through