diff --git a/operator/builtin/input/file/config.go b/operator/builtin/input/file/config.go
index 7e5734f0..23d27604 100644
--- a/operator/builtin/input/file/config.go
+++ b/operator/builtin/input/file/config.go
@@ -134,22 +134,22 @@ func (c InputConfig) Build(context operator.BuildContext) ([]operator.Operator,
 
 	fileNameField := entry.NewNilField()
 	if c.IncludeFileName {
-		fileNameField = entry.NewAttributeField("file_name")
+		fileNameField = entry.NewAttributeField("file.name")
 	}
 
 	filePathField := entry.NewNilField()
 	if c.IncludeFilePath {
-		filePathField = entry.NewAttributeField("file_path")
+		filePathField = entry.NewAttributeField("file.path")
 	}
 
 	fileNameResolvedField := entry.NewNilField()
 	if c.IncludeFileNameResolved {
-		fileNameResolvedField = entry.NewAttributeField("file_name_resolved")
+		fileNameResolvedField = entry.NewAttributeField("file.name.resolved")
 	}
 
 	filePathResolvedField := entry.NewNilField()
 	if c.IncludeFilePathResolved {
-		filePathResolvedField = entry.NewAttributeField("file_path_resolved")
+		filePathResolvedField = entry.NewAttributeField("file.path.resolved")
 	}
 
 	op := &InputOperator{
diff --git a/operator/builtin/input/file/config_test.go b/operator/builtin/input/file/config_test.go
index a9da65f2..88396682 100644
--- a/operator/builtin/input/file/config_test.go
+++ b/operator/builtin/input/file/config_test.go
@@ -541,7 +541,7 @@ func TestBuild(t *testing.T) {
 				require.Equal(t, f.OutputOperators[0], fakeOutput)
 				require.Equal(t, f.Include, []string{"/var/log/testpath.*"})
 				require.Equal(t, f.FilePathField, entry.NewNilField())
-				require.Equal(t, f.FileNameField, entry.NewAttributeField("file_name"))
+				require.Equal(t, f.FileNameField, entry.NewAttributeField("file.name"))
 				require.Equal(t, f.PollInterval, 10*time.Millisecond)
 			},
 		},
diff --git a/operator/builtin/input/file/file_test.go b/operator/builtin/input/file/file_test.go
index be242057..e9df054f 100644
--- a/operator/builtin/input/file/file_test.go
+++ b/operator/builtin/input/file/file_test.go
@@ -45,7 +45,7 @@ See this issue for details: https://github.com/census-instrumentation/opencensus
 	operator.Stop()
 }
 
-// AddFields tests that the `file_name` and `file_path` fields are included
+// AddFields tests that the `file.name` and `file.path` fields are included
 // when IncludeFileName and IncludeFilePath are set to true
 func TestAddFileFields(t *testing.T) {
 	t.Parallel()
@@ -62,11 +62,11 @@ func TestAddFileFields(t *testing.T) {
 	defer operator.Stop()
 
 	e := waitForOne(t, logReceived)
-	require.Equal(t, filepath.Base(temp.Name()), e.Attributes["file_name"])
-	require.Equal(t, temp.Name(), e.Attributes["file_path"])
+	require.Equal(t, filepath.Base(temp.Name()), e.Attributes["file.name"])
+	require.Equal(t, temp.Name(), e.Attributes["file.path"])
 }
 
-// AddFileResolvedFields tests that the `file_name_resolved` and `file_path_resolved` fields are included
+// AddFileResolvedFields tests that the `file.name.resolved` and `file.path.resolved` fields are included
 // when IncludeFileNameResolved and IncludeFilePathResolved are set to true
 func TestAddFileResolvedFields(t *testing.T) {
 	t.Parallel()
@@ -102,17 +102,17 @@ func TestAddFileResolvedFields(t *testing.T) {
 	defer operator.Stop()
 
 	e := waitForOne(t, logReceived)
-	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file_name"])
-	require.Equal(t, symLinkPath, e.Attributes["file_path"])
-	require.Equal(t, filepath.Base(resolved), e.Attributes["file_name_resolved"])
-	require.Equal(t, resolved, e.Attributes["file_path_resolved"])
+	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file.name"])
+	require.Equal(t, symLinkPath, e.Attributes["file.path"])
+	require.Equal(t, filepath.Base(resolved), e.Attributes["file.name.resolved"])
+	require.Equal(t, resolved, e.Attributes["file.path.resolved"])
 
 	// Clean up (linux based host)
 	// Ignore error on windows host (The process cannot access the file because it is being used by another process.)
 	os.RemoveAll(dir)
 }
 
-// AddFileResolvedFields tests that the `file_name_resolved` and `file_path_resolved` fields are included
+// AddFileResolvedFields tests that the `file.name.resolved` and `file.path.resolved` fields are included
 // when IncludeFileNameResolved and IncludeFilePathResolved are set to true and underlaying symlink change
 // Scenario:
 // monitored file (symlink) -> middleSymlink -> file_1
@@ -163,10 +163,10 @@ func TestAddFileResolvedFieldsWithChangeOfSymlinkTarget(t *testing.T) {
 	defer operator.Stop()
 
 	e := waitForOne(t, logReceived)
-	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file_name"])
-	require.Equal(t, symLinkPath, e.Attributes["file_path"])
-	require.Equal(t, filepath.Base(resolved1), e.Attributes["file_name_resolved"])
-	require.Equal(t, resolved1, e.Attributes["file_path_resolved"])
+	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file.name"])
+	require.Equal(t, symLinkPath, e.Attributes["file.path"])
+	require.Equal(t, filepath.Base(resolved1), e.Attributes["file.name.resolved"])
+	require.Equal(t, resolved1, e.Attributes["file.path.resolved"])
 
 	// Change middleSymLink to point to file2
 	err = os.Remove(middleSymLinkPath)
@@ -178,10 +178,10 @@ func TestAddFileResolvedFieldsWithChangeOfSymlinkTarget(t *testing.T) {
 	writeString(t, file2, "testlog2\n")
 
 	e = waitForOne(t, logReceived)
-	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file_name"])
-	require.Equal(t, symLinkPath, e.Attributes["file_path"])
-	require.Equal(t, filepath.Base(resolved2), e.Attributes["file_name_resolved"])
-	require.Equal(t, resolved2, e.Attributes["file_path_resolved"])
+	require.Equal(t, filepath.Base(symLinkPath), e.Attributes["file.name"])
+	require.Equal(t, symLinkPath, e.Attributes["file.path"])
+	require.Equal(t, filepath.Base(resolved2), e.Attributes["file.name.resolved"])
+	require.Equal(t, resolved2, e.Attributes["file.path.resolved"])
 
 	// Clean up (linux based host)
 	// Ignore error on windows host (The process cannot access the file because it is being used by another process.)