diff --git a/models/repo/repo_list.go b/models/repo/repo_list.go
index ac7d2b69e3..36fc0c8a5a 100644
--- a/models/repo/repo_list.go
+++ b/models/repo/repo_list.go
@@ -373,7 +373,7 @@ func SearchRepositoryCondition(opts *SearchRepoOptions) builder.Cond {
 	}
 
 	// Restrict repositories to those the OwnerID owns or contributes to as per opts.Collaborate
-	if opts.OwnerID > 0 {
+	if opts.OwnerID != 0 {
 		accessCond := builder.NewCond()
 		if !opts.Collaborate.Value() {
 			accessCond = builder.Eq{"owner_id": opts.OwnerID}
diff --git a/tests/integration/api_repo_test.go b/tests/integration/api_repo_test.go
index 0521ce7584..afd062e3b1 100644
--- a/tests/integration/api_repo_test.go
+++ b/tests/integration/api_repo_test.go
@@ -75,6 +75,7 @@ func TestAPISearchRepo(t *testing.T) {
 	org3 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 18})
 	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 20})
 	orgUser := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 17})
+	actionsUser := user_model.NewActionsUser()
 
 	oldAPIDefaultNum := setting.API.DefaultPagingNum
 	defer func() {
@@ -192,6 +193,12 @@ func TestAPISearchRepo(t *testing.T) {
 			user:  {count: 1, includesPrivate: true},
 			user4: {count: 1, includesPrivate: true},
 		}},
+		{name: "ForgejoActionsUser/UID", requestURL: fmt.Sprintf("/api/v1/repos/search?uid=%d", actionsUser.ID), expectedResults: expectedResults{
+			nil:         {count: 0},
+			actionsUser: {count: 0},
+			user:        {count: 0},
+			user4:       {count: 0},
+		}},
 	}
 
 	for _, testCase := range testCases {