diff --git a/rpcs3/Emu/Cell/Modules/cellVdec.cpp b/rpcs3/Emu/Cell/Modules/cellVdec.cpp
index c169ca06f0..f3bf7f34e8 100644
--- a/rpcs3/Emu/Cell/Modules/cellVdec.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellVdec.cpp
@@ -245,7 +245,9 @@ struct vdec_thread : ppu_thread
 
 					if (decode < 0)
 					{
-						fmt::throw_exception("AU decoding error(0x%x)" HERE, decode);
+						char av_error[AV_ERROR_MAX_STRING_SIZE];
+						av_make_error_string(av_error, AV_ERROR_MAX_STRING_SIZE, decode);
+						fmt::throw_exception("AU decoding error(0x%x): %s" HERE, decode, av_error);
 					}
 
 					if (got_picture == 0)