diff --git a/Source/Checker/Checker.cpp b/Source/Checker/Checker.cpp
index cc625af3..ae9cb412 100644
--- a/Source/Checker/Checker.cpp
+++ b/Source/Checker/Checker.cpp
@@ -651,9 +651,9 @@ PolicyChecker::RuleElement* PolicyChecker::parse_rule(tfsxml_string& tfsxml_priv
         }
     }
 
-    // Check for presence of _StringX or TimeCode* element in policy
+    // Check for presence of _StringX, TimeCode* or _Total element in policy
     size_t index=rule->field.find_last_not_of("0123456789");
-    if ((index!=std::string::npos && index>=6 && rule->field.substr(index-6, 7)=="_String") || rule->field.find("TimeCode")==0 || rule->field.rfind("_Total")==rule->field.size()-6)
+    if ((index!=std::string::npos && index>=6 && rule->field.substr(index-6, 7)=="_String") || rule->field.find("TimeCode")==0 || (rule->field.size()>=6 && rule->field.rfind("_Total")==rule->field.size()-6))
         full=true;
 
     // Check for currently unsupported features