diff --git a/src/main/java/edu/harvard/iq/dataverse/api/DownloadInstance.java b/src/main/java/edu/harvard/iq/dataverse/api/DownloadInstance.java
index e797698c200..7e354bea24b 100644
--- a/src/main/java/edu/harvard/iq/dataverse/api/DownloadInstance.java
+++ b/src/main/java/edu/harvard/iq/dataverse/api/DownloadInstance.java
@@ -131,7 +131,7 @@ public Boolean checkIfServiceSupportedAndSetConverter(String serviceArg, String
                             return true;
                         }
                     }
-                } else if ("imageThumb".equals(serviceArg)) {
+                } else if ("imageThumb".equals(serviceArg)&&dataService.getServiceName().equals("thumbnail")) {
                     if ("true".equals(serviceArgValue)) {
                         this.conversionParam = serviceArg;
                         this.conversionParamValue = "";