1 files changed, 9 insertions, 0 deletions
diff --git a/ui/qt/extcap_options_dialog.cpp b/ui/qt/extcap_options_dialog.cpp
index ae798e29d9..2aea0dc490 100644
--- a/ui/qt/extcap_options_dialog.cpp
+++ b/ui/qt/extcap_options_dialog.cpp
@@ -184,6 +184,11 @@ void ExtcapOptionsDialog::anyValueChanged()
             if ( ! ((ExtArgText *)*iter)->isValid() )
                 allowStart = false;
         }
+        else if ( dynamic_cast<ExtArgTimestamp *>((*iter)) != NULL)
+        {
+            if ( ! ((ExtArgTimestamp *)*iter)->isValid() )
+                allowStart = false;
+        }
         else
             if ( ! (*iter)->isValid() )
                 allowStart = false;
@@ -465,6 +470,10 @@ void ExtcapOptionsDialog::storeValues()
         {
             value = ((ExtArgText *)*iter)->prefValue();
         }
+        else if ( dynamic_cast<ExtArgTimestamp *>((*iter)) != NULL)
+        {
+            value = ((ExtArgTimestamp *)*iter)->prefValue();
+        }
         else
             value = (*iter)->prefValue();