diff --git a/data-access/engine/src/common/src/fits_header.cpp b/data-access/engine/src/common/src/fits_header.cpp
index ef4d250b28888f4fe2a6d739892e2f2aaf3aeb3a..b1d3a17304e435e0f5a45d58f8ad62c3f4b5b4a0 100644
--- a/data-access/engine/src/common/src/fits_header.cpp
+++ b/data-access/engine/src/common/src/fits_header.cpp
@@ -503,7 +503,7 @@ string fits::header::get_header(bool apply_fixes)
       }
       else
       {
-         LOG_STREAM << "header length: " << strlen(header_cstr) << endl;
+         LOG_STREAM << "header length: " << strlen(header_cstr)/80 << endl;
 
          if(apply_fixes)
          {