diff --git a/slpkg/utilities.py b/slpkg/utilities.py
index b2412631..803e1072 100644
--- a/slpkg/utilities.py
+++ b/slpkg/utilities.py
@@ -25,16 +25,14 @@ class Utilities:
 
     def is_installed(self, name: str) -> str:
         """ Returns the installed package name. """
-        pattern = f'*{self.configs.sbo_repo_tag}'
+        installed = self.all_installed()
 
-        var_log_packages = Path(self.configs.log_packages)
-        packages = [file.name for file in var_log_packages.glob(pattern)]
-
-        for package in packages:
+        for package in installed:
             pkg = self.split_installed_pkg(package)[0]
 
-            if pkg == name and pkg not in self.black.get():
+            if pkg == name:
                 return package
+
         return ''
 
     def all_installed(self):