diff --git a/.gitignore b/.gitignore
index ded6067..a11e961 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,6 @@ nosetests.xml
 .mr.developer.cfg
 .project
 .pydevproject
+
+# Jetbrains
+.idea/
\ No newline at end of file
diff --git a/tinytag/tinytag.py b/tinytag/tinytag.py
index 7227f4f..b689063 100644
--- a/tinytag/tinytag.py
+++ b/tinytag/tinytag.py
@@ -516,7 +516,7 @@ def _determine_duration(self, fh):
                 if xing_header_offset != -1:
                     fh.seek(xing_header_offset, os.SEEK_CUR)
                     xframes, byte_count, toc, vbr_scale = self._parse_xing_header(fh)
-                    if xframes is not None and byte_count is not None:
+                    if xframes and xframes != 0 and byte_count:
                         self.duration = xframes * ID3.samples_per_frame / float(self.samplerate)
                         self.bitrate = byte_count * 8 / self.duration / 1000
                         self.audio_offset = fh.tell()