diff --git a/CRT.c b/CRT.c
index 1f0a0b28..81671de6 100644
--- a/CRT.c
+++ b/CRT.c
@@ -972,7 +972,7 @@ void CRT_handleSIGSEGV(int signal) {
    void *backtraceArray[256];
 
    size_t size = backtrace(backtraceArray, ARRAYSIZE(backtraceArray));
-   backtrace_symbols_fd(backtraceArray, size, 2);
+   backtrace_symbols_fd(backtraceArray, size, STDERR_FILENO);
    fprintf(stderr,
       "---\n"
       "\n"