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openllb · Apr 9, 2021 · 065b28e · 065b28e
1 parent 2eba3f3
commit 065b28e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/codegen/builtin_fs.go b/codegen/builtin_fs.go
@@ -525,7 +525,7 @@ func (l Label) Call(ctx context.Context, cln *client.Client, ret Register, opts
 	// previous history element.
 	numHistory := len(fs.Image.History)
 	if numHistory > 0 && strings.HasPrefix(fs.Image.History[numHistory-1].CreatedBy, "LABEL") {
-		fs.Image.History[numHistory-1].CreatedBy = fmt.Sprintf("%s %s=%s", fs.Image.History[numHistory-1].CreatedBy, key, value)
+		fs.Image.History[numHistory-1].CreatedBy += fmt.Sprintf(" %s=%s", key, value)
 	} else {
 		commitHistory(fs.Image, true, "LABEL %s=%s", key, value)
 	}