diff --git a/src/main/antlr/VSLParser.g b/src/main/antlr/VSLParser.g
index c8b0150..4f04922 100644
--- a/src/main/antlr/VSLParser.g
+++ b/src/main/antlr/VSLParser.g
@@ -124,10 +124,16 @@ instruction returns [Instruction out]:
       } 
     ) BacF
   | //ASSIGN
-  i=ident ASSIGN e=expression 
-  {
+  i=ident 
+   (ASSIGN e=expression 
+    {
       $out = new AssignImp($i.out, $e.out);
-  }
+    }
+    |ParO (para=list_expression)? ParF
+    {
+      $out = new VoidFunctionImp($i.out,($para.out != null) ? $para.out : new ArrayList<>());
+    }
+   )
   | // PRINT
   PRINT 
   {ArrayList<Object> printer= new ArrayList<Object>();}
diff --git a/src/main/java/TP2/asd/PrettyprinterVisitor.java b/src/main/java/TP2/asd/PrettyprinterVisitor.java
index 7c037cf..1fe1026 100644
--- a/src/main/java/TP2/asd/PrettyprinterVisitor.java
+++ b/src/main/java/TP2/asd/PrettyprinterVisitor.java
@@ -157,7 +157,7 @@ public class PrettyprinterVisitor implements    ProgramVisitor<String,String>,
 
     @Override
     public String visitVoidFunction(VoidFunctionImp instr, String h) {
-        String str = instr.nom()+ "( ";
+        String str = h+instr.nom()+ "(";
         for(int i=0;i<instr.expr().size();i++){
             str+= instr.expr().get(i).accept(this,h);
             if(i<instr.expr().size()-1){
diff --git a/src/main/java/TP2/asd/toLLVM_Visitor.java b/src/main/java/TP2/asd/toLLVM_Visitor.java
index bc13772..a871a65 100644
--- a/src/main/java/TP2/asd/toLLVM_Visitor.java
+++ b/src/main/java/TP2/asd/toLLVM_Visitor.java
@@ -203,6 +203,7 @@ public class toLLVM_Visitor implements  ProgramVisitor<SymTable,ProgramLLVMImp>,
 
         if (!(fun.define.type() instanceof VoidLLVMImp)){
             System.err.println("Fonction n'est pas un void");
+            return l;
         }
 
         l.add(new CallLLVMImp(fun.define,paramsLLVM,""));