diff --git a/src/services/study/dynamic-security-analysis.ts b/src/services/study/dynamic-security-analysis.ts
index 9f2cdfdfdf..21952c2228 100644
--- a/src/services/study/dynamic-security-analysis.ts
+++ b/src/services/study/dynamic-security-analysis.ts
@@ -71,7 +71,7 @@ export function fetchDynamicSecurityAnalysisStatus(
         getStudyUrlWithNodeUuidAndRootNetworkUuid(studyUuid, currentNodeUuid, currentRootNetworkUuid) +
         '/dynamic-security-analysis/status';
     console.debug(url);
-    return backendFetchJson(url);
+    return backendFetchText(url);
 }
 
 export function fetchDefaultDynamicSecurityAnalysisProvider() {
diff --git a/src/services/study/dynamic-simulation.ts b/src/services/study/dynamic-simulation.ts
index c868be405c..340c3f0a09 100644
--- a/src/services/study/dynamic-simulation.ts
+++ b/src/services/study/dynamic-simulation.ts
@@ -96,7 +96,7 @@ export function fetchDynamicSimulationStatus(
         getStudyUrlWithNodeUuidAndRootNetworkUuid(studyUuid, currentNodeUuid, currentRootNetworkUuid) +
         '/dynamic-simulation/status';
     console.debug(url);
-    return backendFetchJson(url);
+    return backendFetchText(url);
 }
 
 export function fetchDynamicSimulationResultTimeSeries(