diff --git a/kernel/write.c b/kernel/write.c
index 734a5b8..f7486fd 100644
--- a/kernel/write.c
+++ b/kernel/write.c
@@ -72,6 +72,25 @@ void type_writer(zval *value, zend_long row, zend_long columns, xls_resource_wri
         WORKSHEET_WRITER_EXCEPTION(worksheet_write_number(res->worksheet, (lxw_row_t)row, (lxw_col_t)columns, zval_get_double(value), NULL));
         return;
     }
+
+   if (value_type == IS_TRUE || value_type == IS_FALSE) {
+       if (format != NULL && format_handle == NULL) {
+           WORKSHEET_WRITER_EXCEPTION(worksheet_write_boolean(res->worksheet, lxw_row, lxw_col, zend_is_true(value), format_handle));
+           return;
+       }
+
+       if (format == NULL && format_handle != NULL) {
+           WORKSHEET_WRITER_EXCEPTION(worksheet_write_boolean(res->worksheet, lxw_row, lxw_col, zend_is_true(value), format_handle));
+           return;
+       }
+
+       if(format != NULL && format_handle != NULL) {
+           WORKSHEET_WRITER_EXCEPTION(worksheet_write_boolean(res->worksheet, lxw_row, lxw_col, zend_is_true(value), format_handle));
+           return;
+       }
+
+       WORKSHEET_WRITER_EXCEPTION(worksheet_write_boolean(res->worksheet, lxw_row, lxw_col, zend_is_true(value), NULL));
+   }
 }
 
 /*
diff --git a/tests/018.phpt b/tests/018.phpt
index d05c8b5..850bc9f 100644
--- a/tests/018.phpt
+++ b/tests/018.phpt
@@ -9,9 +9,9 @@ $excel = new \Vtiful\Kernel\Excel($config);
 
 $fileObject = $excel->fileName("18.xlsx");
 
-$fileObject->header(['name', 'age'])
-    ->data([['viest', 21]])
-    ->data([['wjx', 21]]);
+$fileObject->header(['name', 'age', 'active'])
+    ->data([['viest', 21, true]])
+    ->data([['wjx', 21, false]]);
 
 $filePath = $fileObject->output();