diff --git a/src/urh/controller/OptionsController.py b/src/urh/controller/OptionsController.py
index 9920a743..0af7f60d 100644
--- a/src/urh/controller/OptionsController.py
+++ b/src/urh/controller/OptionsController.py
@@ -126,6 +126,7 @@ class OptionsController(QDialog):
         self.ui.radioButtonPython2Interpreter.clicked.connect(self.on_radio_button_python2_interpreter_clicked)
         self.ui.radioButtonGnuradioDirectory.clicked.connect(self.on_radio_button_gnuradio_directory_clicked)
         self.ui.doubleSpinBoxRAMThreshold.valueChanged.connect(self.on_double_spinbox_ram_threshold_value_changed)
+        self.ui.btnScanNative.clicked.connect(self.on_btn_scan_native_clicked)
         self.ui.btnRebuildNative.clicked.connect(self.on_btn_rebuild_native_clicked)
 
     def show_gnuradio_infos(self):
@@ -360,6 +361,10 @@ class OptionsController(QDialog):
     def on_gnuradio_install_dir_edited(self):
         self.set_gnuradio_status()
 
+    @pyqtSlot()
+    def on_btn_scan_native_clicked(self):
+        pass
+
     @pyqtSlot()
     def on_btn_rebuild_native_clicked(self):
         pass
diff --git a/src/urh/ui/ui_options.py b/src/urh/ui/ui_options.py
index ca1a08a9..d2befc4c 100644
--- a/src/urh/ui/ui_options.py
+++ b/src/urh/ui/ui_options.py
@@ -290,11 +290,6 @@ class Ui_DialogOptions(object):
         self.label_9.setWordWrap(True)
         self.label_9.setObjectName("label_9")
         self.gridLayout_5.addWidget(self.label_9, 1, 0, 1, 2)
-        self.btnRebuildNative = QtWidgets.QPushButton(self.groupBox_2)
-        icon = QtGui.QIcon.fromTheme("view-refresh")
-        self.btnRebuildNative.setIcon(icon)
-        self.btnRebuildNative.setObjectName("btnRebuildNative")
-        self.gridLayout_5.addWidget(self.btnRebuildNative, 5, 0, 1, 2)
         self.lineEditIncludeDirs = QtWidgets.QLineEdit(self.groupBox_2)
         self.lineEditIncludeDirs.setObjectName("lineEditIncludeDirs")
         self.gridLayout_5.addWidget(self.lineEditIncludeDirs, 2, 1, 1, 1)
@@ -305,6 +300,17 @@ class Ui_DialogOptions(object):
         self.labelWindowsError.setWordWrap(True)
         self.labelWindowsError.setObjectName("labelWindowsError")
         self.gridLayout_5.addWidget(self.labelWindowsError, 0, 0, 1, 2)
+        self.btnRebuildNative = QtWidgets.QPushButton(self.groupBox_2)
+        self.btnRebuildNative.setEnabled(False)
+        icon = QtGui.QIcon.fromTheme("view-refresh")
+        self.btnRebuildNative.setIcon(icon)
+        self.btnRebuildNative.setObjectName("btnRebuildNative")
+        self.gridLayout_5.addWidget(self.btnRebuildNative, 5, 1, 1, 1)
+        self.btnScanNative = QtWidgets.QPushButton(self.groupBox_2)
+        icon = QtGui.QIcon.fromTheme("scanner")
+        self.btnScanNative.setIcon(icon)
+        self.btnScanNative.setObjectName("btnScanNative")
+        self.gridLayout_5.addWidget(self.btnScanNative, 5, 0, 1, 1)
         self.verticalLayout_8.addWidget(self.groupBox_2)
         self.tabWidget.addTab(self.tabDevices, "")
         self.verticalLayout_6.addWidget(self.tabWidget)
@@ -367,14 +373,17 @@ class Ui_DialogOptions(object):
         self.radioButtonGnuradioDirectory.setText(_translate("DialogOptions", "Gnuradio Directory"))
         self.groupBox_2.setTitle(_translate("DialogOptions", "Native options"))
         self.labenIncludeDirs.setText(_translate("DialogOptions", "Include directories:"))
-        self.lineEditLibraries.setPlaceholderText(_translate("DialogOptions", "Comma seperated list of libraries"))
+        self.lineEditLibraries.setPlaceholderText(_translate("DialogOptions", "Comma separated list of libraries"))
         self.labelLibDirs.setText(_translate("DialogOptions", "Library directories:"))
         self.labelLibraries.setText(_translate("DialogOptions", "Libraries:"))
         self.label_9.setText(_translate("DialogOptions", "You can rebuild the native device extensions here. This is useful, when you installed a device driver afterwards or your drivers are stored in an unusual location."))
-        self.btnRebuildNative.setText(_translate("DialogOptions", "Rebuild"))
-        self.lineEditIncludeDirs.setPlaceholderText(_translate("DialogOptions", "Comma seperated list of additional include directories"))
-        self.lineEditLibDirs.setPlaceholderText(_translate("DialogOptions", "Comma seperated list of additional library directories"))
+        self.lineEditIncludeDirs.setPlaceholderText(_translate("DialogOptions", "Comma separated list of additional include directories"))
+        self.lineEditLibDirs.setPlaceholderText(_translate("DialogOptions", "Comma separated list of additional library directories"))
         self.labelWindowsError.setText(_translate("DialogOptions", "<html><head/><body><p><span style=\" color:#ff0000;\">Detected a 32 bit installation of python 3.</span> Install <span style=\" font-weight:600;\">64 bit version</span> to use native backends.</p></body></html>"))
+        self.btnRebuildNative.setToolTip(_translate("DialogOptions", "<html><head/><body><p>Rebuild device extenions. This button will only be enabled after a successful scan.</p></body></html>"))
+        self.btnRebuildNative.setText(_translate("DialogOptions", "Rebuild"))
+        self.btnScanNative.setToolTip(_translate("DialogOptions", "<html><head/><body><p>Scan if new device extensions can be built.</p></body></html>"))
+        self.btnScanNative.setText(_translate("DialogOptions", "Scan"))
         self.tabWidget.setTabText(self.tabWidget.indexOf(self.tabDevices), _translate("DialogOptions", "Device"))
 
 from urh.ui.KillerDoubleSpinBox import KillerDoubleSpinBox
diff --git a/ui/options.ui b/ui/options.ui
index 940ef97b..44eb9019 100644
--- a/ui/options.ui
+++ b/ui/options.ui
@@ -674,7 +674,7 @@
            </widget>
           </item>
           <item row="5" column="0">
-           <widget class="QPushButton" name="pushButton">
+           <widget class="QPushButton" name="btnScanNative">
             <property name="toolTip">
              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Scan if new device extensions can be built.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
             </property>