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-rw-r--r--src/lib/imagemagick_content.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/imagemagick_content.cc b/src/lib/imagemagick_content.cc
index 42e3776f5..8e858d0d1 100644
--- a/src/lib/imagemagick_content.cc
+++ b/src/lib/imagemagick_content.cc
@@ -113,4 +113,5 @@ ImageMagickContent::identifier () const
stringstream s;
s << VideoContent::identifier ();
s << "_" << video_length();
+ return s.str ();
}