diff --git a/src/main/java/cokr/xit/base/file/xls/XLSWriter.java b/src/main/java/cokr/xit/base/file/xls/XLSWriter.java
index 0d3292b..1979514 100644
--- a/src/main/java/cokr/xit/base/file/xls/XLSWriter.java
+++ b/src/main/java/cokr/xit/base/file/xls/XLSWriter.java
@@ -10,6 +10,7 @@ import java.util.Map;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
+import java.util.stream.Stream;
 
 import org.apache.poi.ss.usermodel.BorderStyle;
 import org.apache.poi.ss.usermodel.CellStyle;
@@ -368,9 +369,14 @@ public class XLSWriter extends XLS {
 		if (!isEmpty(dataset)) {
 			int c = cell.getColumnIndex(),
 				r = cell.getRowIndex();
+			Object[] kas = Stream.of(keysAndStyles)
+				.map(obj -> !(obj instanceof Styler) ? obj : cellStyle((Styler)obj))
+				.toList()
+				.toArray();
+
 			for (Map<?, ?> rec: dataset) {
 				cell(r, c);
-				rowValues(rec, keysAndStyles);
+				rowValues(rec, kas);
 				++r;
 			}
 		}