diff --git a/data/assets/scene/solarsystem/planets/earth/satellites/misc/iss.asset b/data/assets/scene/solarsystem/planets/earth/satellites/misc/iss.asset
index 9f18fb85f7..5c642c90df 100644
--- a/data/assets/scene/solarsystem/planets/earth/satellites/misc/iss.asset
+++ b/data/assets/scene/solarsystem/planets/earth/satellites/misc/iss.asset
@@ -7,6 +7,7 @@ local url = "https://celestrak.com/satcat/tle.php?CATNR=25544"
 local identifier = "ISS"
 local filename = "ISS.txt"
 local nodes = {}
+local tle = satelliteHelper.downloadTLEFile(asset, url, identifier, filename)
 
 local modelsLocation = asset.syncedResource({
     Name = "ISS Models",
@@ -16,8 +17,6 @@ local modelsLocation = asset.syncedResource({
 })
 
 
-local tle = satelliteHelper.downloadTLEFile(asset, url, identifier, filename)
-
 local initializeAndAddNodes = function()
 
   local lineElement = satelliteHelper.makeSingleLineElement(tle, filename)
diff --git a/modules/sync/syncs/urlsynchronization.cpp b/modules/sync/syncs/urlsynchronization.cpp
index 75d52cee1b..da77b3a80a 100644
--- a/modules/sync/syncs/urlsynchronization.cpp
+++ b/modules/sync/syncs/urlsynchronization.cpp
@@ -203,6 +203,7 @@ void UrlSynchronization::start() {
                 const size_t lastSlash = url.find_last_of('/');
                 std::string lastPartOfUrl = url.substr(lastSlash + 1);
 
+                // We can not create filenames with questionmarks
                 lastPartOfUrl.erase(std::remove(lastPartOfUrl.begin(), lastPartOfUrl.end(), '?'), lastPartOfUrl.end());
 
                 std::size_t foundExt = lastPartOfUrl.find(ext);