diff --git a/libc/bionic/__vsnprintf_chk.cpp b/libc/bionic/__vsnprintf_chk.cpp
index 2d3a81e..731f9c5 100644
--- a/libc/bionic/__vsnprintf_chk.cpp
+++ b/libc/bionic/__vsnprintf_chk.cpp
@@ -51,7 +51,7 @@
         va_list va)
 {
     if (__predict_false(supplied_size > dest_len_from_compiler)) {
-        __fortify_chk_fail("vsnprintf buffer overflow", 0);
+        __fortify_chk_fail("vsnprintf buffer overflow prevented", 0);
     }
 
     return vsnprintf(dest, supplied_size, format, va);