diff --git a/libmpeg/source/mpeg-ts-h264.c b/libmpeg/source/mpeg-ts-h264.c
index bc6c62b9..f648be2b 100644
--- a/libmpeg/source/mpeg-ts-h264.c
+++ b/libmpeg/source/mpeg-ts-h264.c
@@ -147,7 +147,7 @@ int mpeg_h264_find_new_access_unit(const uint8_t* data, size_t bytes, int* vcl)
         {
             // pes data loss ???
             *vcl = MPEG_VCL_CORRUPT;
-            return (int)(p - data + n - leading);
+            return (int)(p - data + n - (leading>3?3:leading));
         }
         else
         {
diff --git a/libmpeg/source/mpeg-ts-h265.c b/libmpeg/source/mpeg-ts-h265.c
index a6666a90..0eb8149d 100644
--- a/libmpeg/source/mpeg-ts-h265.c
+++ b/libmpeg/source/mpeg-ts-h265.c
@@ -122,7 +122,7 @@ int mpeg_h265_find_new_access_unit(const uint8_t* data, size_t bytes, int* vcl)
         {
             // pes data loss ???
             *vcl = MPEG_VCL_CORRUPT; // for assert
-            return (int)(p - data + n - leading);
+            return (int)(p - data + n - (leading > 3 ? 3 : leading));
         }
         else
         {
diff --git a/libmpeg/source/mpeg-ts-h266.c b/libmpeg/source/mpeg-ts-h266.c
index d558d4d3..575ba203 100644
--- a/libmpeg/source/mpeg-ts-h266.c
+++ b/libmpeg/source/mpeg-ts-h266.c
@@ -86,7 +86,7 @@ int mpeg_h266_find_new_access_unit(const uint8_t* data, size_t bytes, int* vcl)
         {
             // pes data loss ???
             *vcl = MPEG_VCL_CORRUPT; // for assert
-            return (int)(p - data + n - leading);
+            return (int)(p - data + n - (leading > 3 ? 3 : leading));
         }
         else
         {