diff --git a/models/compat/wakatime/v1/stats.go b/models/compat/wakatime/v1/stats.go
index 428b1db..5cdc449 100644
--- a/models/compat/wakatime/v1/stats.go
+++ b/models/compat/wakatime/v1/stats.go
@@ -26,7 +26,7 @@ type StatsData struct {
 	Machines              []*SummariesEntry `json:"machines"`
 	Projects              []*SummariesEntry `json:"projects"`
 	OperatingSystems      []*SummariesEntry `json:"operating_systems"`
-	Branches              []*SummariesEntry `json:"branches"`
+	Branches              []*SummariesEntry `json:"branches,omitempty"`
 }
 
 func NewStatsFrom(summary *models.Summary, filters *models.Filters) *StatsViewModel {
diff --git a/models/compat/wakatime/v1/summaries.go b/models/compat/wakatime/v1/summaries.go
index e8220a6..eefd6c0 100644
--- a/models/compat/wakatime/v1/summaries.go
+++ b/models/compat/wakatime/v1/summaries.go
@@ -26,7 +26,7 @@ type SummariesData struct {
 	Machines         []*SummariesEntry    `json:"machines"`
 	OperatingSystems []*SummariesEntry    `json:"operating_systems"`
 	Projects         []*SummariesEntry    `json:"projects"`
-	Branches         []*SummariesEntry    `json:"branches"`
+	Branches         []*SummariesEntry    `json:"branches,omitempty"`
 	GrandTotal       *SummariesGrandTotal `json:"grand_total"`
 	Range            *SummariesRange      `json:"range"`
 }
diff --git a/testing/Wakapi API Tests.postman_collection.json b/testing/Wakapi API Tests.postman_collection.json
index 8bd1adb..98f93d6 100644
--- a/testing/Wakapi API Tests.postman_collection.json	
+++ b/testing/Wakapi API Tests.postman_collection.json	
@@ -2080,7 +2080,7 @@
 									"    const jsonData = pm.response.json();",
 									"    pm.expect(jsonData.data.languages).to.eql(null); // because share_languages is false",
 									"    pm.expect(jsonData.data.projects.length).to.eql(1);",
-									"    pm.expect(jsonData.data.branches).to.be.null;",
+									"    pm.expect(jsonData.data.branches).to.be.undefined;",
 									"});"
 								],
 								"type": "text/javascript"