diff --git a/HISTORY.md b/HISTORY.md
index e1ac4c5..03b40bd 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,4 +1,7 @@
 ## History of versions ##
+* version 4.8.1 (2016-09-05)
+  * Fixed a float value used for volume where it expected an integer
+
 * version 4.8.0 (2016-08-12)
   * Fixed a division by zero when a clip has a duration of less than one second
 
diff --git a/setup.py b/setup.py
index 43262c6..d52f297 100755
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@ except:
 setup(
     name='devedeng',
 
-    version='4.8.0',
+    version='4.8.1',
 
     description='A video DVD creator',
     long_description = "A program that allows to create video DVDs",
diff --git a/src/devedeng/avconv.py b/src/devedeng/avconv.py
index 8b934f2..debe58b 100644
--- a/src/devedeng/avconv.py
+++ b/src/devedeng/avconv.py
@@ -130,7 +130,7 @@ class avconv(devedeng.avbase.avbase):
             second_pass = False
         else:
             # second_pass is TRUE in the second pass of a 2-pass codification, and also when not doing 2-pass codification
-            # It is used to remove unnecessary steps during the first pass, but that are needed on the second pass, or when not using 2-pass codification 
+            # It is used to remove unnecessary steps during the first pass, but that are needed on the second pass, or when not using 2-pass codification
             second_pass = True
 
         if (video_length == 0):
@@ -144,7 +144,7 @@ class avconv(devedeng.avbase.avbase):
 
         if (file_project.volume!=100) and second_pass:
             self.command_var.append("-vol")
-            self.command_var.append(str((256*file_project.volume)/100))
+            self.command_var.append(str(int((256*file_project.volume)/100)))
 
         if (file_project.audio_delay != 0.0) and (file_project.copy_sound==False) and (file_project.no_reencode_audio_video==False) and second_pass:
             self.command_var.append("-itsoffset")
@@ -433,4 +433,4 @@ class avconv(devedeng.avbase.avbase):
                     t += float(e)
                 t /= self.final_length
                 self.progress_bar[1].set_fraction(t)
-                self.progress_bar[1].set_text("%.1f%%" % (100.0 * t))
\ No newline at end of file
+                self.progress_bar[1].set_text("%.1f%%" % (100.0 * t))
diff --git a/src/devedeng/ffmpeg.py b/src/devedeng/ffmpeg.py
index 52329d6..0548019 100644
--- a/src/devedeng/ffmpeg.py
+++ b/src/devedeng/ffmpeg.py
@@ -126,7 +126,7 @@ class ffmpeg(devedeng.executor.executor):
             second_pass = False
         else:
             # second_pass is TRUE in the second pass of a 2-pass codification, and also when not doing 2-pass codification
-            # It is used to remove unnecessary steps during the first pass, but that are needed on the second pass, or when not using 2-pass codification 
+            # It is used to remove unnecessary steps during the first pass, but that are needed on the second pass, or when not using 2-pass codification
             second_pass = True
 
         if (video_length == 0):
@@ -140,7 +140,7 @@ class ffmpeg(devedeng.executor.executor):
 
         if (file_project.volume!=100) and second_pass:
             self.command_var.append("-vol")
-            self.command_var.append(str((256*file_project.volume)/100))
+            self.command_var.append(str(int((256*file_project.volume)/100)))
 
         if (file_project.audio_delay != 0.0) and (file_project.copy_sound==False) and (file_project.no_reencode_audio_video==False) and second_pass:
             self.command_var.append("-itsoffset")
@@ -424,4 +424,4 @@ class ffmpeg(devedeng.executor.executor):
                     t += float(e)
                 t /= self.final_length
                 self.progress_bar[1].set_fraction(t)
-                self.progress_bar[1].set_text("%.1f%%" % (100.0 * t))
\ No newline at end of file
+                self.progress_bar[1].set_text("%.1f%%" % (100.0 * t))