diff --git a/varfmt/fmt_test.go b/varfmt/fmt_test.go
index fb137be..be1f324 100644
--- a/varfmt/fmt_test.go
+++ b/varfmt/fmt_test.go
@@ -1,6 +1,7 @@
 package varfmt
 
 import (
+	"fmt"
 	"strings"
 	"testing"
 
@@ -106,7 +107,7 @@ func BenchmarkSprintf(b *testing.B) {
 			b.ReportAllocs()
 
 			for i := 0; i < b.N; i++ {
-				_ = Sprintf(tc.format, tc.args...)
+				_ = fmt.Sprintf(tc.format, tc.args...)
 			}
 		})
 	}