diff --git a/socorro/signature/siglists/prefix_signature_re.txt b/socorro/signature/siglists/prefix_signature_re.txt
index fd564cd22b..7ffa8f76d3 100644
--- a/socorro/signature/siglists/prefix_signature_re.txt
+++ b/socorro/signature/siglists/prefix_signature_re.txt
@@ -238,6 +238,7 @@ strstr
 syscall
 SysFreeString
 TlsGetValue
+TppRaiseInvalidParameter
 __ulock_wait
 __unlink
 unlink