diff --git a/include/picongpu/fields/incidentField/profiles/GaussianPulse.def b/include/picongpu/fields/incidentField/profiles/GaussianPulse.def
index 56db1a698f..ceb983ce58 100644
--- a/include/picongpu/fields/incidentField/profiles/GaussianPulse.def
+++ b/include/picongpu/fields/incidentField/profiles/GaussianPulse.def
@@ -85,10 +85,10 @@ namespace picongpu::fields::incidentField::profiles
                 nlohmann::json laguerreModesJson = nlohmann::json::array();
                 nlohmann::json laguerrePhasesJson = nlohmann::json::array();
 
-                for(uint32_t i = 0; i <= MODENUMBER; ++i)
+                for(uint32_t i = 0; i <= numModes; ++i)
                 {
-                    laguerreModesJson.push_back(LAGUERREMODES_t{}[i]);
-                    laguerrePhasesJson.push_back(LAGUERREPHASES_t{}[i]);
+                    laguerreModesJson.push_back(laguerreModes[i]);
+                    laguerrePhasesJson.push_back(laguerrePhases[i]);
                 }
 
                 gaussianMetadata["Laguerre modes"] = {{"value", laguerreModesJson}, {"unit", "none"}};