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-rw-r--r--Modules/_posixsubprocess.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index 0ca0aa5..5007a39 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -521,7 +521,7 @@ error:
char *cur;
_Py_write_noraise(errpipe_write, "OSError:", 8);
cur = hex_errno + sizeof(hex_errno);
- while (saved_errno != 0 && cur > hex_errno) {
+ while (saved_errno != 0 && cur != hex_errno) {
*--cur = Py_hexdigits[saved_errno % 16];
saved_errno /= 16;
}