diff --git a/README.md b/README.md
index c1ed5a3..83c72ed 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ On Debian based distributions these two commands should install all needed depen
 
 
 ```bash
-$ sudo apt-get install -y python3 python3-dev libpng-dev libjpeg-dev p7zip-full unrar-free libgl1 python3-pyqt5 && \
+$ sudo apt-get install -y python3 python3-dev libpng-dev libjpeg-dev p7zip-full p7zip-rar unrar-free libgl1 python3-pyqt5 && \
     python -m pip install --upgrade pip && \
     python -m pip install --upgrade -r requirements.txt
 ```
diff --git a/kindlecomicconverter/comicarchive.py b/kindlecomicconverter/comicarchive.py
index dcaec36..f0d968e 100644
--- a/kindlecomicconverter/comicarchive.py
+++ b/kindlecomicconverter/comicarchive.py
@@ -19,6 +19,7 @@
 #
 
 import os
+import distro
 from psutil import Popen
 from shutil import move
 from subprocess import STDOUT, PIPE
@@ -38,15 +39,17 @@ class ComicArchive:
                 self.type = line.rstrip().decode().split(' = ')[1].upper()
                 break
         process.communicate()
-        if process.returncode != 0:
+        if process.returncode != 0 and distro.id() == 'fedora':
             process = Popen('unrar l -y -p1 "' + self.filepath + '"', stderr=STDOUT, stdout=PIPE, stdin=PIPE, shell=True)
             for line in process.stdout:
                 if b'Details: ' in line:
                     self.type = line.rstrip().decode().split(' ')[1].upper()
-                    print(self.type)
                     break
-            if(self.type != 'RAR'):
+            process.communicate()
+            if process.returncode != 0:
                 raise OSError('Archive is corrupted or encrypted.')
+            elif self.type not in ['7Z', 'RAR', 'RAR5', 'ZIP']:
+                raise OSError('Unsupported archive format.')
         elif self.type not in ['7Z', 'RAR', 'RAR5', 'ZIP']:
             raise OSError('Unsupported archive format.')
 
@@ -56,12 +59,14 @@ class ComicArchive:
         process = Popen('7z x -y -xr!__MACOSX -xr!.DS_Store -xr!thumbs.db -xr!Thumbs.db -o"' + targetdir + '" "' +
                         self.filepath + '"', stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
         process.communicate()
-        if process.returncode != 0:
+        if process.returncode != 0 and distro.id() == 'fedora':
             process = Popen('unrar x -y -x__MACOSX -x.DS_Store -xthumbs.db -xThumbs.db "' + self.filepath + '" "' +
                     targetdir + '"', stdout=PIPE, stderr=STDOUT, stdin=PIPE, shell=True)
             process.communicate()
             if process.returncode != 0:
                 raise OSError('Failed to extract archive.')
+        elif process.returncode != 0:
+            raise OSError('Failed to extract archive. Check if p7zip-rar is installed.')
         tdir = os.listdir(targetdir)
         if 'ComicInfo.xml' in tdir:
             tdir.remove('ComicInfo.xml')
diff --git a/requirements.txt b/requirements.txt
index 026f92d..156b842 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ psutil>=5.0.0
 python-slugify>=1.2.1
 raven>=6.0.0
 # PyQt5-tools
-mozjpeg-lossless-optimization>=1.1.2
\ No newline at end of file
+mozjpeg-lossless-optimization>=1.1.2
+distro
\ No newline at end of file