diff --git a/core/java/src/net/i2p/crypto/CertUtil.java b/core/java/src/net/i2p/crypto/CertUtil.java
index 7d5289e06..786440712 100644
--- a/core/java/src/net/i2p/crypto/CertUtil.java
+++ b/core/java/src/net/i2p/crypto/CertUtil.java
@@ -619,7 +619,7 @@ public final class CertUtil {
     }
 
     // threshold for warning
-    private static final long CHECK = 120*24*60*60*1000L;
+    private static final long CHECK = 180*24*60*60*1000L;
 
     /**
      *  For use in the build process.