diff --git a/src/Dapper.Contrib/SqlMapperExtensions.Async.cs b/src/Dapper.Contrib/SqlMapperExtensions.Async.cs
index c93e39a4..912e607d 100644
--- a/src/Dapper.Contrib/SqlMapperExtensions.Async.cs
+++ b/src/Dapper.Contrib/SqlMapperExtensions.Async.cs
@@ -493,7 +493,7 @@ public async Task<int> InsertAsync(IDbConnection connection, IDbTransaction tran
                 if (!first)
                     sb.Append(", ");
                 first = false;
-                sb.Append(property.Name);
+                AppendColumnName(sb, property.Name);
             }
         }
 
diff --git a/src/Dapper.Contrib/SqlMapperExtensions.cs b/src/Dapper.Contrib/SqlMapperExtensions.cs
index 9a30e805..b845098f 100644
--- a/src/Dapper.Contrib/SqlMapperExtensions.cs
+++ b/src/Dapper.Contrib/SqlMapperExtensions.cs
@@ -1005,7 +1005,7 @@ public int Insert(IDbConnection connection, IDbTransaction transaction, int? com
                 if (!first)
                     sb.Append(", ");
                 first = false;
-                sb.Append(property.Name);
+                AppendColumnName(sb, property.Name);
             }
         }