diff --git a/install b/install
index e555be0..90e1909 100755
--- a/install
+++ b/install
@@ -64,11 +64,15 @@ class Install(Thread):
                 dnf_packages += ' poppler-utils'
 
             if has_bin('apt-get') and apt_packages:
-                print('Installing additional packages: %s' % apt_packages)
-                os.system('sudo apt-get install -y ' + apt_packages)
+                print('You need additional packages: %s' % apt_packages)
+                print('sudo apt-get install -y ' + apt_packages)
+                self.failed = True
+                return
             elif has_bin('dnf') and dnf_packages:
                 print('Installing additional packages: %s' % dnf_packages)
-                os.system('sudo dnf install -y ' + dnf_packages)
+                print('sudo dnf install -y ' + dnf_packages)
+                self.failed = True
+                return
             elif apt_packages:
                 print('You need to install Pillow, lxml and pyOpenSSL\ni.e. sudo pip3 install pillow lxml pyOpenSSL')
                 if 'poppler' in apt_packages: