diff --git a/libyara/modules/pe/pe.c b/libyara/modules/pe/pe.c
index 84b6869db9..a9c96d9c36 100644
--- a/libyara/modules/pe/pe.c
+++ b/libyara/modules/pe/pe.c
@@ -1757,7 +1757,7 @@ void _process_authenticode(
   {
     const Authenticode* authenticode = auth_array->signatures[i];
 
-    signature_valid = authenticode->verify_flags == AUTHENTICODE_VFY_VALID
+    signature_valid |= authenticode->verify_flags == AUTHENTICODE_VFY_VALID
                           ? true
                           : false;