diff --git a/server/service/integration_enterprise_test.go b/server/service/integration_enterprise_test.go
index 790191e94871..4b4516679991 100644
--- a/server/service/integration_enterprise_test.go
+++ b/server/service/integration_enterprise_test.go
@@ -5279,7 +5279,7 @@ func (s *integrationEnterpriseTestSuite) TestRunHostScript() {
 	// attempt to run an empty script
 	res := s.Do("POST", "/api/latest/fleet/scripts/run", fleet.HostScriptRequestPayload{HostID: host.ID, ScriptContents: ""}, http.StatusUnprocessableEntity)
 	errMsg := extractServerErrorText(res.Body)
-	require.Contains(t, errMsg, "Script contents must not be empty.")
+	require.Contains(t, errMsg, "Validation Failed: One of 'script_id', 'script_contents', or 'script_name' is required.")
 
 	// attempt to run an overly long script
 	res = s.Do("POST", "/api/latest/fleet/scripts/run", fleet.HostScriptRequestPayload{HostID: host.ID, ScriptContents: strings.Repeat("a", fleet.UnsavedScriptMaxRuneLen+1)}, http.StatusUnprocessableEntity)
diff --git a/server/service/scripts_test.go b/server/service/scripts_test.go
index ffb390988229..aecf67dea446 100644
--- a/server/service/scripts_test.go
+++ b/server/service/scripts_test.go
@@ -304,7 +304,7 @@ func TestHostRunScript(t *testing.T) {
 			script  string
 			wantErr string
 		}{
-			{"empty script", "", "Script contents must not be empty."},
+			{"empty script", "", "One of 'script_id', 'script_contents', or 'script_name' is required."},
 			{"overly long script", strings.Repeat("a", fleet.UnsavedScriptMaxRuneLen+1), "Script is too large."},
 			{"large script", strings.Repeat("a", fleet.UnsavedScriptMaxRuneLen), ""},
 			{"invalid utf8", "\xff\xfa", "Wrong data format."},