diff --git a/engine/class_modules/sc_death_knight.cpp b/engine/class_modules/sc_death_knight.cpp
index a530c6e6b64..afb17937079 100644
--- a/engine/class_modules/sc_death_knight.cpp
+++ b/engine/class_modules/sc_death_knight.cpp
@@ -14147,19 +14147,20 @@ std::unique_ptr<expr_t> death_knight_t::create_expression( std::string_view name
 
   if ( util::str_compare_ci( splits[ 0 ], "lesser_ghoul" ) )
   {
-    if ( util::str_compare_ci( splits[ 1 ], "count" ) )
+    if ( splits.size() == 2 && util::str_compare_ci( splits[ 1 ], "count" ) )
     {
       return make_fn_expr( "lesser_ghoul_count", [ this ]() { return active_lesser_ghouls.size(); } );
     }
-    if ( util::str_compare_ci( splits[ 1 ], "oldest" ) )
+    if ( splits.size() == 3 && util::str_compare_ci( splits[ 1 ], "oldest" ) )
     {
       if ( util::str_compare_ci( splits[ 2 ], "remains" ) )
       {
-        return make_fn_expr( "oldest_lesser_ghoul_remains",
-                             [ this ]() { return active_lesser_ghouls[ 0 ]->expiration->remains(); } );
+        return make_fn_expr( "oldest_lesser_ghoul_remains", [ this ]() {
+          return active_lesser_ghouls.empty() ? timespan_t::zero() : active_lesser_ghouls[ 0 ]->expiration->remains();
+        } );
       }
     }
-    throw sc_invalid_apl_argument( fmt::format( "Unknown lesser_ghoul expression '{}'.", splits[ 1 ] ) );
+    throw sc_invalid_apl_argument( fmt::format( "Unknown lesser_ghoul expression '{}'.", name_str ) );
   }
 
   if ( util::str_compare_ci( splits[ 0 ], "runeforge" ) && splits.size() == 2 )