diff --git a/tester.cpp b/tester.cpp
index 08c1b48..1d97e8d 100644
--- a/tester.cpp
+++ b/tester.cpp
@@ -338,6 +338,7 @@ void testFunc()
 	name=string("radius");
 	func->addParameter(name, T_FLOATVAR);
 	logger("param added");
+	v=variableType::getOrCreateVar(name, T_FLOATVAR);
 	e=new expression(new expression(v), O_MULTIPLY, new expression(v));
 	logger("expression made");
 	func->generateReturn(e);
diff --git a/yab2cpp.h b/yab2cpp.h
index c5a7cdc..1db2394 100644
--- a/yab2cpp.h
+++ b/yab2cpp.h
@@ -166,7 +166,6 @@ class operands
 	unsigned int id;
 	static unsigned int nextID;
 protected:
-	void generateBox(enum SCOPES s);
 	/* constructor for parameter passing */
 	explicit operands(unsigned int id, enum TYPES t);
 	explicit operands(enum TYPES t);
@@ -179,6 +178,7 @@ public:
 	enum TYPES getSimpleVarType();
 	virtual string boxName();
 	static enum TYPES getSimpleVarType(enum TYPES t);
+	void generateBox(enum SCOPES s);
 
 	static operands *createOp(enum TYPES t);
 	virtual void dispose();
@@ -410,6 +410,7 @@ class fn
 	enum TYPES kind;
 	operands *rc;
 	label *startAddr;
+	label *skipDef;
 	/* stamdard constructor called by declare */
 	fn(enum CODES t, operands *returnCode=nullptr);
 public:
diff --git a/yabDataStructures.cpp b/yabDataStructures.cpp
index 40ff66c..455aa14 100644
--- a/yabDataStructures.cpp
+++ b/yabDataStructures.cpp
@@ -505,7 +505,7 @@ variableType::variableType(enum SCOPES s, string &name, enum TYPES t, fn *fnHand
 string variableType::boxName()
 {
 	ostringstream ss;
-	if (myScope==S_LOCAL)
+	if (myScope==S_LOCAL || myScope==S_PARAMETER)
 	{
 		ss << "sub" << this->handle->getID() << "->v" << this->getID();
 		return ss.str();
diff --git a/yabFunctions.cpp b/yabFunctions.cpp
index 11f723b..28b65fd 100644
--- a/yabFunctions.cpp
+++ b/yabFunctions.cpp
@@ -67,6 +67,7 @@ variableType *fn::getLocalVar(string &name)
 void fn::addParameter(string &name, enum TYPES t)
 {
 	variableType *v=new variableType(S_PARAMETER, name, t, this);
+	v->generateBox(S_PARAMETER);
 	this->parameters[name]=v;
 	this->params.push_back(v);
 }
@@ -226,30 +227,35 @@ void fn::close()
 		{
 			do
 			{
-				varNames << "paramater " << iter->first << "has id v"
+				varNames << "paramater " << iter->first << " has id v"
 					<< iter->second->getID() << endl;
+				++iter;
 			} while (iter!=this->parameters.end());
 			
 		}
 	}
 	locals.clear();
 	statics.clear();
+	skipDef->generate();
 	currentFunc=nullptr;
 	scopeGlobal=true;
 }
 
 fn *fn::declare(string &s, enum CODES t, operands *returnCode)
 {
+	label *sd=new label();
 	/*check for nesting error */
 	if (!scopeGlobal) error(E_END_FUNCTION);
 	/*check if this function name is already used*/
 	if (fn::functions.find(s)!=fn::functions.end()) error(E_DUPLICATE_SYMBOL);
 	logger("declaration name cleared");
+	sd->generateJumpTo();
 	fn *self=new fn(t, returnCode);
 	logger("fn allocated");
 	fn::functions.insert({s,unique_ptr<fn>(self)});
 	logger("fn inserted");
 	/* initiate local scope */
+	self->skipDef=sd;
 	currentFunc=self;
 	scopeGlobal=false;
 	return self;
@@ -278,4 +284,5 @@ fn::fn(enum CODES t, operands *returnCode)
 fn::~fn()
 {
 	delete startAddr;
+	delete skipDef;
 }