diff --git a/Library/Homebrew/diagnostic.rb b/Library/Homebrew/diagnostic.rb
index 240e85b48a..7a5781c731 100644
--- a/Library/Homebrew/diagnostic.rb
+++ b/Library/Homebrew/diagnostic.rb
@@ -166,6 +166,7 @@ module Homebrew
           "libUFSDExtFS.dylib", # Paragon ExtFS
           "libecomlodr.dylib", # Symantec Endpoint Protection
           "libsymsea.*.dylib", # Symantec Endpoint Protection
+          "libsymsea.dylib",   # Symantec Endpoint Protection
           "sentinel.dylib", # SentinelOne
         ]