diff --git a/.gitignore b/.gitignore
index c4f8489..a5b9e97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ Data
 *.ipynb
 wav_converter.py
 *.txt
+icons_imgs
diff --git a/main.py b/main.py
index e490d87..04b4c78 100644
--- a/main.py
+++ b/main.py
@@ -258,13 +258,13 @@ class MyApp(QMainWindow, Ui_MainWindow):
             return 10**9
         
     def display_spectrogram(self):
-        default_pic = os.path.join("icons_imgs", "image_not_found.png")
+        default_pic = os.path.join("icons_imgs", "nosignalselected.png")
         item = self.result_list.currentItem()
         if item:
             spectrogram_name = item.text()
             path_spectr = os.path.join("Data", "Spectra", spectrogram_name + ".jpg")
             if not QFileInfo(path_spectr).exists():
-                path_spectr = default_pic
+                path_spectr = os.path.join("icons_imgs", "spectrumnotavailable.png")
         else:
             path_spectr = default_pic
         self.spectrogram.setPixmap(QPixmap(path_spectr))
diff --git a/main_window.ui b/main_window.ui
index f0cd354..8a7ac7b 100644
--- a/main_window.ui
+++ b/main_window.ui
@@ -17,7 +17,7 @@
    </sizepolicy>
   </property>
   <property name="windowTitle">
-   <string>MainWindow</string>
+   <string>ARTEMIS2</string>
   </property>
   <property name="styleSheet">
    <string notr="true">QWidget {
@@ -1920,7 +1920,7 @@ p, li { white-space: pre-wrap; }
       </property>
       <property name="minimumSize">
        <size>
-        <width>310</width>
+        <width>270</width>
         <height>0</height>
        </size>
       </property>
@@ -2159,7 +2159,7 @@ QSlider::handle:horizontal {
          <property name="minimumSize">
           <size>
            <width>250</width>
-           <height>400</height>
+           <height>417</height>
           </size>
          </property>
          <property name="toolTip">
@@ -2172,7 +2172,7 @@ QSlider::handle:horizontal {
           <string/>
          </property>
          <property name="pixmap">
-          <pixmap>icons_imgs/image_not_found.png</pixmap>
+          <pixmap>icons_imgs/nosignalselected.png</pixmap>
          </property>
          <property name="scaledContents">
           <bool>true</bool>