diff --git a/Assets/Scripts/PropositionFrame.cs b/Assets/Scripts/PropositionFrame.cs
index f0d76a4..c5313b9 100644
--- a/Assets/Scripts/PropositionFrame.cs
+++ b/Assets/Scripts/PropositionFrame.cs
@@ -22,8 +22,10 @@ public void Initialize(Proposition _proposition)
     {
         Debug.Log($"Initializing {_proposition.owner}'s proposition", this);
         proposition = _proposition;
-        DisplayPicture(proposition.photoUrl);
         playerName.text = proposition.owner.name;
+
+        if (!string.IsNullOrEmpty(proposition.photoUrl))
+            DisplayPicture(proposition.photoUrl);
     }
 
     private void DisplayPicture(string _url)
diff --git a/Assets/Scripts/VotingPage.cs b/Assets/Scripts/VotingPage.cs
index 04043ee..78b762d 100644
--- a/Assets/Scripts/VotingPage.cs
+++ b/Assets/Scripts/VotingPage.cs
@@ -88,8 +88,22 @@ void ShowQuestion()
 
         Debug.Log($"Prompt is {currentPromptLabel.text}", this);
 
-        proposition1.Initialize(currentQuestion.propositions[0]);
-        proposition1.Initialize(currentQuestion.propositions[1]);
+        if (currentQuestion.propositions[0] != null)
+            proposition1.Initialize(currentQuestion.propositions[0]);
+        else
+        {
+            Debug.Log("User has given no proposition", this);
+            //manage if there is no proposition
+        }
+
+        if (currentQuestion.propositions[1] != null)
+            proposition2.Initialize(currentQuestion.propositions[1]);
+        else
+        {
+            Debug.Log("User has given no proposition", this);
+            //manage if there is no proposition
+        }
+
         endOfTimer = DateTime.Now.AddSeconds(votingTime);
     }