diff --git a/Source/MediaInfo/Video/File_Avc.cpp b/Source/MediaInfo/Video/File_Avc.cpp
index 2dfcae0e40..bc7a1cfef9 100644
--- a/Source/MediaInfo/Video/File_Avc.cpp
+++ b/Source/MediaInfo/Video/File_Avc.cpp
@@ -4441,7 +4441,7 @@ void File_Avc::vui_parameters(seq_parameter_set_struct::vui_parameters_struct* &
     seq_parameter_set_struct::vui_parameters_struct::xxl *NAL=NULL, *VCL=NULL;
     bitset<vui_flags_Max> flags;
     int32u  num_units_in_tick=0, time_scale=0;
-    int16u  sar_width=1, sar_height=1;
+    int16u  sar_width=0, sar_height=0;
     int8u   video_format=5, colour_primaries=2, transfer_characteristics=2, matrix_coefficients=2;
     bool    nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
     TEST_SB_SKIP(                                               "aspect_ratio_info_present_flag");
diff --git a/Source/MediaInfo/Video/File_Hevc.cpp b/Source/MediaInfo/Video/File_Hevc.cpp
index 8e66f39567..97bacf4ce3 100644
--- a/Source/MediaInfo/Video/File_Hevc.cpp
+++ b/Source/MediaInfo/Video/File_Hevc.cpp
@@ -4206,7 +4206,7 @@ void File_Hevc::vui_parameters(seq_parameter_set_struct::vui_parameters_struct*
     seq_parameter_set_struct::vui_parameters_struct::xxl *NAL = NULL, *VCL = NULL;
     vui_flags flags;
     int32u  num_units_in_tick=0, time_scale=0;
-    int16u  sar_width=1, sar_height=1;
+    int16u  sar_width=0, sar_height=0;
     int8u   video_format=5, colour_primaries=2, transfer_characteristics=2, matrix_coefficients=2;
     bool flag;
     TEST_SB_SKIP(                                               "aspect_ratio_info_present_flag");