diff --git a/ChangeLog.txt b/ChangeLog.txt
index 0f7ae6da..816a69d4 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,5 +1,9 @@
 ## slpkg - ChangeLog
 
+### 5.0.4 - 01/04/2024
+- Updated:
+    * Updated to ignore blacklist installed packages
+
 ### 5.0.3 - 01/04/2024
 - Updated:
     * Updated for slpkg_new-configs and (D)iff command (Thanks to Marav)
diff --git a/slpkg/checks.py b/slpkg/checks.py
index d4359418..f272687d 100644
--- a/slpkg/checks.py
+++ b/slpkg/checks.py
@@ -30,10 +30,9 @@ class Check(Configs):
     def is_package_installed(self, packages: list) -> None:
         """ Checking for installed packages. """
         not_found: list = []
-        blacklist_packages: list = self.utils.ignore_packages(packages)
 
         for pkg in packages:
-            if not self.utils.is_package_installed(pkg) or pkg in blacklist_packages:
+            if not self.utils.is_package_installed(pkg):
                 not_found.append(pkg)
 
         if not_found:
diff --git a/slpkg/utilities.py b/slpkg/utilities.py
index ce14fa7f..61b417ac 100644
--- a/slpkg/utilities.py
+++ b/slpkg/utilities.py
@@ -25,21 +25,28 @@ class Utilities(Configs):
     def is_package_installed(self, name: str) -> str:
         """ Returns the installed package binary. """
         installed_package: Generator = self.log_packages.glob(f'{name}*')
+
         for installed in installed_package:
             inst_name: str = self.split_package(installed.name)['name']
-            if inst_name == name:
+            if inst_name == name and inst_name not in self.ignore_packages([inst_name]):
                 return installed.name
         return ''
 
     def all_installed(self) -> dict:
         """ Return all installed packages from /val/log/packages folder. """
         installed_packages: dict = {}
+
         for file in self.log_packages.glob('*'):
             name: str = self.split_package(file.name)['name']
 
             if not name.startswith('.'):
                 installed_packages[name] = file.name
 
+        blacklist_packages: list = self.ignore_packages(list(installed_packages.keys()))
+        if blacklist_packages:
+            for black in blacklist_packages:
+                del installed_packages[black]
+
         return installed_packages
 
     @staticmethod