diff --git a/data/rules/openai.yml b/data/rules/openai.yml
index 064278c..d0b01cb 100644
--- a/data/rules/openai.yml
+++ b/data/rules/openai.yml
@@ -35,7 +35,7 @@ rules:
       (?xi)
       \b
       (
-        (sk-(?:proj|svcacct|None)-[A-Z0-9_-]{100,}[A-Z0-9_-]*)
+        (sk-(?:proj|svcacct|None)-[A-Z0-9_-]{100,})
       )
       \b
     min_entropy: 4.0