diff --git a/fpdf.go b/fpdf.go
index <HASH>..<HASH> 100644
--- a/fpdf.go
+++ b/fpdf.go
@@ -127,6 +127,7 @@ func fpdfNew(orientationStr, unitStr, sizeStr, fontDirStr string, size SizeType)
 	f.stdPageSizes["a3"] = SizeType{841.89, 1190.55}
 	f.stdPageSizes["a4"] = SizeType{595.28, 841.89}
 	f.stdPageSizes["a5"] = SizeType{420.94, 595.28}
+	f.stdPageSizes["a6"] = SizeType{297.64, 420.94}
 	f.stdPageSizes["letter"] = SizeType{612, 792}
 	f.stdPageSizes["legal"] = SizeType{612, 1008}
 	if size.Wd > 0 && size.Ht > 0 {
Add page size for A6 (#<I>)