diff --git a/src/commands/CmdReport.cpp b/src/commands/CmdReport.cpp
index 96b35f63..9492c2e6 100644
--- a/src/commands/CmdReport.cpp
+++ b/src/commands/CmdReport.cpp
@@ -97,7 +97,7 @@ int CmdReport (
 
   std::stringstream header;
   for (auto& name : rules.all ())
-    header << name << "=" << rules.get (name) << "\n";
+    header << name << ": " << rules.get (name) << "\n";
 
   auto input = header.str ()
              + "\n"