diff --git a/src/main/java/com/google/devtools/build/lib/remote/ByteStreamBuildEventArtifactUploader.java b/src/main/java/com/google/devtools/build/lib/remote/ByteStreamBuildEventArtifactUploader.java
index 0e3b79c..15c12bb 100644
--- a/src/main/java/com/google/devtools/build/lib/remote/ByteStreamBuildEventArtifactUploader.java
+++ b/src/main/java/com/google/devtools/build/lib/remote/ByteStreamBuildEventArtifactUploader.java
@@ -34,6 +34,7 @@
 import com.google.devtools.build.lib.remote.util.DigestUtil;
 import com.google.devtools.build.lib.remote.util.TracingMetadataUtils;
 import com.google.devtools.build.lib.vfs.Path;
+import com.google.devtools.build.lib.vfs.PathFragment;
 import io.netty.util.AbstractReferenceCounted;
 import io.netty.util.ReferenceCounted;
 import io.reactivex.rxjava3.core.Flowable;
@@ -67,8 +68,8 @@
   private final AtomicBoolean shutdown = new AtomicBoolean();
   private final Scheduler scheduler;
 
-  private final Set<Path> omittedFiles = Sets.newConcurrentHashSet();
-  private final Set<Path> omittedTreeRoots = Sets.newConcurrentHashSet();
+  private final Set<PathFragment> omittedFiles = Sets.newConcurrentHashSet();
+  private final Set<PathFragment> omittedTreeRoots = Sets.newConcurrentHashSet();
 
   ByteStreamBuildEventArtifactUploader(
       Executor executor,
@@ -89,11 +90,11 @@
   }
 
   public void omitFile(Path file) {
-    omittedFiles.add(file);
+    omittedFiles.add(file.asFragment());
   }
 
   public void omitTree(Path treeRoot) {
-    omittedTreeRoots.add(treeRoot);
+    omittedTreeRoots.add(treeRoot.asFragment());
   }
 
   /** Returns {@code true} if Bazel knows that the file is stored on a remote system. */
@@ -153,13 +154,14 @@
           /* omitted= */ false);
     }
 
+    PathFragment filePathFragment = file.asFragment();
     boolean omitted = false;
-    if (omittedFiles.contains(file)) {
+    if (omittedFiles.contains(filePathFragment)) {
       omitted = true;
     } else {
-      for (Path treeRoot : omittedTreeRoots) {
+      for (PathFragment treeRoot : omittedTreeRoots) {
         if (file.startsWith(treeRoot)) {
-          omittedFiles.add(file);
+          omittedFiles.add(filePathFragment);
           omitted = true;
         }
       }
diff --git a/src/test/shell/bazel/remote/remote_execution_test.sh b/src/test/shell/bazel/remote/remote_execution_test.sh
index f45f93d..e79b2df 100755
--- a/src/test/shell/bazel/remote/remote_execution_test.sh
+++ b/src/test/shell/bazel/remote/remote_execution_test.sh
@@ -3536,6 +3536,29 @@
   expect_log "command.profile.gz.*bytestream://" || fail "should upload profile data"
 }
 
+function test_uploader_respect_no_cache_minimal() {
+  mkdir -p a
+  cat > a/BUILD <<EOF
+genrule(
+  name = 'foo',
+  outs = ["foo.txt"],
+  cmd = "echo \"foo bar\" > \$@",
+  tags = ["no-cache"],
+)
+EOF
+
+  bazel build \
+      --remote_cache=grpc://localhost:${worker_port} \
+      --remote_download_minimal \
+      --incompatible_remote_build_event_upload_respect_no_cache \
+      --build_event_json_file=bep.json \
+      //a:foo >& $TEST_log || fail "Failed to build"
+
+  cat bep.json > $TEST_log
+  expect_not_log "a:foo.*bytestream://" || fail "local files are converted"
+  expect_log "command.profile.gz.*bytestream://" || fail "should upload profile data"
+}
+
 function test_uploader_alias_action_respect_no_cache() {
   mkdir -p a
   cat > a/BUILD <<EOF