diff --git a/src/utils/matlab/libs/dll_pll_veml_read_tracking_dump.m b/src/utils/matlab/libs/dll_pll_veml_read_tracking_dump.m
index 698a1b5df..8f5ef94ce 100644
--- a/src/utils/matlab/libs/dll_pll_veml_read_tracking_dump.m
+++ b/src/utils/matlab/libs/dll_pll_veml_read_tracking_dump.m
@@ -88,7 +88,11 @@ else
     v7 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);
     bytes_shift = bytes_shift + float_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next interleaved float
-    v8 = fread (f, count, 'long', skip_bytes_each_read - unsigned_long_int_size_bytes);
+    if unsigned_long_int_size_bytes==8
+        v8 = fread (f, count, 'uint64', skip_bytes_each_read - unsigned_long_int_size_bytes);
+    else
+        v8 = fread (f, count, 'uint32', skip_bytes_each_read - unsigned_long_int_size_bytes);
+    end
     bytes_shift = bytes_shift + unsigned_long_int_size_bytes;
     fseek(f,bytes_shift,'bof'); % move to next float
     v9 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);