diff --git a/app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactNewOrEditViewModel.kt b/app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactNewOrEditViewModel.kt
index 02bdf318a..b78d17004 100644
--- a/app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactNewOrEditViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/main/contacts/viewmodel/ContactNewOrEditViewModel.kt
@@ -135,8 +135,9 @@ class ContactNewOrEditViewModel
 
     @AnyThread
     fun getPictureFileName(): String {
-        val name = id.value?.replace(" ", "_") ?: "${firstName.value.orEmpty().trim()}_${lastName.value.orEmpty().trim()}"
-        return "$name.jpg"
+        val name = id.value ?: "${firstName.value.orEmpty().trim()}_${lastName.value.orEmpty().trim()}"
+        val flattenedName = name.replace(" ", "_").replace(":", "")
+        return "$flattenedName.jpg"
     }
 
     @UiThread