diff --git a/src/components/form/ImageTextFieldElement.tsx b/src/components/form/ImageTextFieldElement.tsx
index 46eea5f..5e78488 100644
--- a/src/components/form/ImageTextFieldElement.tsx
+++ b/src/components/form/ImageTextFieldElement.tsx
@@ -39,7 +39,7 @@ export const ImageTextFieldElement = <TFieldValues extends FieldValues = FieldVa
                                         onClick={async () => {
                                             await triggerFileDownload(
                                                 fieldValue,
-                                                `OpenPlanner-session-${fileSuffix}.${fieldValueExtension}`
+                                                `OpenPlanner-${fileSuffix}.${fieldValueExtension}`
                                             )
                                         }}
                                         edge="end">
diff --git a/src/events/page/sessions/EventSessionForm.tsx b/src/events/page/sessions/EventSessionForm.tsx
index e0e2c55..4212cd2 100644
--- a/src/events/page/sessions/EventSessionForm.tsx
+++ b/src/events/page/sessions/EventSessionForm.tsx
@@ -338,7 +338,7 @@ export const EventSessionForm = ({ event, session, onSubmit }: EventSessionFormP
                                         label="Teaser image url"
                                         name="teaserImageUrl"
                                         variant="filled"
-                                        fileSuffix={session?.title}
+                                        fileSuffix={'session-' + session?.title}
                                         disabled={false}
                                     />
                                 </Grid>