diff --git a/src/scene/gui/textinputnode.cpp b/src/scene/gui/textinputnode.cpp
index 6629855..33f2121 100644
--- a/src/scene/gui/textinputnode.cpp
+++ b/src/scene/gui/textinputnode.cpp
@@ -182,7 +182,7 @@ std::string TextInputNode::getText()
 void TextInputNode::clearText()
 {
     m_history.push_back(m_text);
-    m_history_pos++;
+    m_history_pos=m_history.size();
     m_text.clear();
 }
 
diff --git a/src/sparrowshell/sparrowshell.cpp b/src/sparrowshell/sparrowshell.cpp
index 1d51954..9d6abf9 100644
--- a/src/sparrowshell/sparrowshell.cpp
+++ b/src/sparrowshell/sparrowshell.cpp
@@ -73,22 +73,28 @@ void SparrowShell::AutocompletionCallBack::exec(){
     std::vector<std::string> results = m_shell->m_script->possibleCompletion(text);
 
     if (!results.empty()){
-        std:: string common_prefix = results[0];
-        for( auto result : results){
-            int i = 0;
-            auto s1 = common_prefix.c_str();
-            auto s2 = result.c_str();
-            std::string cp;
-            while( (s1[i] && s2[i]) && (s1[i] == s2[i]) )
-                cp.push_back(s1[i++]);
-            common_prefix = cp;
+        if(results.size() == 1){
+            std::string text = results[0];
+            text+="()";
+            m_text_input_node->setText(text);
+        }else{
+            std:: string common_prefix = results[0];
+            for( auto result : results){
+                int i = 0;
+                auto s1 = common_prefix.c_str();
+                auto s2 = result.c_str();
+                std::string cp;
+                while( (s1[i] && s2[i]) && (s1[i] == s2[i]) )
+                    cp.push_back(s1[i++]);
+                common_prefix = cp;
+            }
+            m_text_input_node->setText(common_prefix);
+            std::string output = "";
+            for(std::string& fun : results)
+                output+=fun+" ";
+            m_shell->out(output,glm::vec3(1,1,0));
         }
-        m_text_input_node->setText(common_prefix);
     }
-    std::string output = "";
-    for(std::string& fun : results)
-        output+=fun+" ";
-    m_shell->out(output,glm::vec3(1,1,0));
 }
 
 void SparrowShell::InputCallBack::exec(){
diff --git a/src/test/main.cpp b/src/test/main.cpp
index 7584e85..864f7aa 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -438,13 +438,8 @@ int main(){
     }*/
 
     // shell output tests
-    engine.getShell()->out("Hello World!");
-    engine.getShell()->out("Starting test :");
-
-
-//    engine.getScene()->updateShaders();
-//    BackGroundNode* bgrn = new BackGroundNode(glm::vec2(10),glm::vec3(1.,1.,1.),1,1);
-//    engine.getScene()->getRootObject()->addChild(bgrn);
+//    engine.getShell()->out("Hello World!");
+//    engine.getShell()->out("Starting test :");
 
     // preparing shaders and launching the engine
     engine.start();