diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index 7713dd2609..03a4c2ee84 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -69,6 +69,7 @@ LockFile accept.lock
 PassEnv GIT_VALGRIND
 PassEnv GIT_VALGRIND_OPTIONS
 PassEnv GNUPGHOME
+PassEnv ASAN_OPTIONS
 
 Alias /dumb/ www/
 Alias /auth/dumb/ www/auth/dumb/
diff --git a/t/test-lib.sh b/t/test-lib.sh
index cf19339cce..3177298ead 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -140,6 +140,9 @@ else
 	}
 fi
 
+: ${ASAN_OPTIONS=detect_leaks=0}
+export ASAN_OPTIONS
+
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
 unset CDPATH