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-rw-r--r--src/environ.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/environ.c b/src/environ.c
index 81a3e5f..df8595b 100644
--- a/src/environ.c
+++ b/src/environ.c
@@ -208,7 +208,7 @@ static int setup_cfg_vars(struct sandbox_info_t *sandbox_info)
if (-1 == setup_access_var(ENV_SANDBOX_WRITE))
return -1;
if ((NULL == getenv(ENV_SANDBOX_WRITE)) &&
- (NULL != sandbox_info->work_dir))
+ strlen(sandbox_info->work_dir))
setenv(ENV_SANDBOX_WRITE, sandbox_info->work_dir, 1);
if (-1 == setup_access_var(ENV_SANDBOX_PREDICT))