diff --git a/launcher/ui/pages/instance/LogPage.cpp b/launcher/ui/pages/instance/LogPage.cpp
index b66c6cc7..9f287ef2 100644
--- a/launcher/ui/pages/instance/LogPage.cpp
+++ b/launcher/ui/pages/instance/LogPage.cpp
@@ -12,6 +12,7 @@
 
 #include "ui/GuiUtil.h"
 #include "ui/ColorCache.h"
+#include "ui/dialogs/CustomMessageBox.h"
 
 #include <BuildConfig.h>
 
@@ -238,6 +239,18 @@ void LogPage::on_btnPaste_clicked()
     if(!m_model)
         return;
 
+    auto response = CustomMessageBox::selectable(
+            this,
+            tr("Log upload"),
+            tr("Are you sure you want to upload a log file?"),
+            QMessageBox::Warning,
+            QMessageBox::Yes | QMessageBox::No,
+            QMessageBox::No
+    )->exec();
+
+    if (response != QMessageBox::Yes)
+        return;
+
     //FIXME: turn this into a proper task and move the upload logic out of GuiUtil!
     m_model->append(
         MessageLevel::Launcher,
diff --git a/launcher/ui/pages/instance/OtherLogsPage.cpp b/launcher/ui/pages/instance/OtherLogsPage.cpp
index 0131c5c1..2218d4ae 100644
--- a/launcher/ui/pages/instance/OtherLogsPage.cpp
+++ b/launcher/ui/pages/instance/OtherLogsPage.cpp
@@ -21,6 +21,7 @@
 #include "ui/GuiUtil.h"
 
 #include "RecursiveFileSystemWatcher.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include <GZip.h>
 #include <FileSystem.h>
 #include <QShortcut>
@@ -179,6 +180,18 @@ void OtherLogsPage::on_btnReload_clicked()
 
 void OtherLogsPage::on_btnPaste_clicked()
 {
+    auto response = CustomMessageBox::selectable(
+            this,
+            tr("Log upload"),
+            tr("Are you sure you want to upload a log file?"),
+            QMessageBox::Warning,
+            QMessageBox::Yes | QMessageBox::No,
+            QMessageBox::No
+    )->exec();
+
+    if (response != QMessageBox::Yes)
+        return;
+
     GuiUtil::uploadPaste(ui->text->toPlainText(), this);
 }