1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
index ee6904de3f..9982c73a81 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
@@ -1379,7 +1379,7 @@ public abstract class BuildViewTestCase extends FoundationTestCase {
     ImmutableList.Builder<String> basenames = ImmutableList.builder();
     for (String line : new String(bytes.toByteArray(), StandardCharsets.UTF_8).split("\n")) {
       if (line.startsWith("SF:")) {
-        String basename = line.substring(line.lastIndexOf("/") + 1);
+        String basename = line.substring(line.lastIndexOf('/') + 1);
         basenames.add(basename);
       }
     }