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-rw-r--r--src/w32proc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/w32proc.c b/src/w32proc.c
index ccb47ccc895..b579c946bb6 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -938,7 +938,7 @@ sys_spawnve (int mode, char *cmdname, char **argv, char **envp)
numenv++;
}
/* extra env vars... */
- sprintf (ppid_env_var_buffer, "__PARENT_PROCESS_ID=%d",
+ sprintf (ppid_env_var_buffer, "EM_PARENT_PROCESS_ID=%d",
GetCurrentProcessId ());
arglen += strlen (ppid_env_var_buffer) + 1;
numenv++;