diff --git a/pkg/diffy/unified.go b/pkg/diffy/unified.go
index 32a03ae..57bdc16 100644
--- a/pkg/diffy/unified.go
+++ b/pkg/diffy/unified.go
@@ -31,7 +31,7 @@ func WriteUnifiedDiff(
 				for ln, line := range diff.A[i1:i2] {
 					buf.WriteString(
 						fmt.Sprintf(
-							"%s%s%s%s\n",
+							"%s %s%s%s\n",
 							color.New(color.Gray).Sprintf("%*d", lnSpaceSize, i1+ln+1),
 							color.New(color.Gray).Sprintf("%*d", lnSpaceSize, j1+ln+1),
 							strings.Repeat(" ", opt.SpaceSizeAfterLn),
@@ -44,7 +44,7 @@ func WriteUnifiedDiff(
 				for ln, line := range diff.A[i1:i2] {
 					buf.WriteString(
 						fmt.Sprintf(
-							"%s%s%s\n",
+							" %s%s%s\n",
 							color.New(color.Gray).Sprintf("%*d", lnSpaceSize, i1+ln+1),
 							strings.Repeat(" ", lnSpaceSize+opt.SpaceSizeAfterLn),
 							color.New(color.Red, color.Bold).Sprintf("%s", formatTextLine(line, opt.TabSize)),
@@ -56,7 +56,7 @@ func WriteUnifiedDiff(
 				for ln, line := range diff.B[j1:j2] {
 					buf.WriteString(
 						fmt.Sprintf(
-							"%s%s%s\n",
+							" %s%s%s\n",
 							color.New(color.Gray).Sprintf("%*d", lnSpaceSize*2, j1+ln+1),
 							strings.Repeat(" ", opt.SpaceSizeAfterLn),
 							color.New(color.Green, color.Bold).Sprintf("%s", formatTextLine(line, opt.TabSize)),