1 files changed, 1 insertions, 1 deletions
diff --git a/win32/win32.c b/win32/win32.c
index 6dafecb079..ff3d33be75 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -3733,7 +3733,7 @@ kill(int pid, int sig)
     int ret = 0;
     DWORD err;
 
-    if (pid <= 0) {
+    if (pid < 0) {
 	errno = EINVAL;
 	return -1;
     }