diff --git a/src/main/java/TP2/Main.java b/src/main/java/TP2/Main.java
index 422f852..75af21c 100644
--- a/src/main/java/TP2/Main.java
+++ b/src/main/java/TP2/Main.java
@@ -1,6 +1,9 @@
 package TP2;
 
 import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
 
 import org.antlr.runtime.ANTLRFileStream;
 import org.antlr.runtime.ANTLRInputStream;
@@ -64,6 +67,7 @@ public class Main {
 
       // Generate the intermediate representation
       //System.out.println("\n\n");
+      //PrintWriter out2 = new PrintWriter(new OutputStreamWriter(System.out, StandardCharsets.UTF_8), true);
 
       ProgramLLVMImp astLLVM = ast.toLLVM();
       //System.out.println("\n\n PRETTYPRINTER LLVM : \n--------------\n");
diff --git a/src/main/java/TP2/asd/SymTable.java b/src/main/java/TP2/asd/SymTable.java
index 9dc1ac0..f4d30e6 100644
--- a/src/main/java/TP2/asd/SymTable.java
+++ b/src/main/java/TP2/asd/SymTable.java
@@ -145,8 +145,10 @@ public class SymTable {
     public Result addVar(String nomVar, TypeLLVM type) {
         PMap<String, ValueVarMap> top = varMap.get(0);
         if (top.containsKey(nomVar)) {
-            System.err.println("[VSL compile error] : '" + nomVar+ "' Erreur");
-            return new Result(this, null);
+            if(!top.get(nomVar).isParam){ //si non on écrase, on a plus besoin du param après
+                System.err.println("[VSL compile error] : '" + nomVar+ "' Erreur");
+                return new Result(this, null);
+            }
         }
         String realName = nomVar + "_" + id[0];
         top = top.plus(nomVar, new ValueVarMap(type, id[0], false));
diff --git a/src/main/java/TP2/asd/toLLVM_Visitor.java b/src/main/java/TP2/asd/toLLVM_Visitor.java
index e02f95a..4223f8d 100644
--- a/src/main/java/TP2/asd/toLLVM_Visitor.java
+++ b/src/main/java/TP2/asd/toLLVM_Visitor.java
@@ -65,13 +65,22 @@ public class toLLVM_Visitor implements  ProgramVisitor<SymTable,ProgramLLVMImp>,
     public DefineLLVMImp visitFunction(FunctionImp fun, SymTable h) {
         ArrayList<InstructionLLVM> instrLLVM = new ArrayList<>();
         ArrayList<VarLLVMImp> paramsLLVM = new ArrayList<>();
+        ArrayList<InstructionLLVM> setParam = new ArrayList<>();
         for(VarImp param: fun.params()){
+            TypeLLVM type = new IntLLVMImp();
             Result r = h.addParam(param.name());
-            String name = r.var;
-            VarLLVMImp var = new VarLLVMImp(new IntLLVMImp(), name,false);
+            String nameParam = r.var;
             h = r.symTable;
+            Result r2 = h.addVar(param.name(),type);
+            String nameVar = r2.var;
+            h = r2.symTable;
+            VarLLVMImp var = new VarLLVMImp(type, nameParam,false);
             paramsLLVM.add(var);
+            VarLLVMImp newVar =new VarLLVMImp(type, nameVar,false); 
+            setParam.add(new AssignLLVMImp(newVar,new allocaLLVMImp(type)));
+            setParam.add(new StoreLLVMImp(type,var,type,newVar));
         }
+        instrLLVM.addAll(setParam);
         instrLLVM.addAll(fun.instruction().accept(this, h));
         TypeLLVM type = fun.type().accept(this, h);
         if(!(type instanceof VoidLLVMImp)){ //on ajoute un return 0 si la fonction n'est pas un void, et ne finit ni par un return ni pas un goto (sans condition)
diff --git a/tests/fragment1/while1 b/tests/fragment1/while1
index 1c53604..9709d1a 100755
Binary files a/tests/fragment1/while1 and b/tests/fragment1/while1 differ
diff --git a/tests/fragment1/while2 b/tests/fragment1/while2
index f0013e8..e2fcb92 100755
Binary files a/tests/fragment1/while2 and b/tests/fragment1/while2 differ