diff --git a/script/leaks.sh b/script/leaks.sh
index e27717008..4ae748ccc 100755
--- a/script/leaks.sh
+++ b/script/leaks.sh
@@ -4,5 +4,5 @@ export MallocScribble=1
 export MallocLogFile=/dev/null
 # Exclude known Apple Security framework leak in CryptKit::FEEKeyInfoProvider
 # which occurs during SSL/TLS handshakes and is not in libgit2's control
-export CLAR_AT_EXIT="leaks -quiet -exclude SSLHandshake \$PPID"
+export CLAR_AT_EXIT="leaks -quiet -exclude=SSLHandshake \$PPID"
 exec "$@"