diff --git a/ui/xui/main-menu.cc b/ui/xui/main-menu.cc
index 64067a1d99..9bb5dcf33f 100644
--- a/ui/xui/main-menu.cc
+++ b/ui/xui/main-menu.cc
@@ -1376,7 +1376,7 @@ void MainMenuAboutView::Draw()
     SectionTitle("Build Information");
     ImGui::PushFont(g_font_mgr.m_fixed_width_font);
     ImGui::InputTextMultiline("##build_info", (char *)build_info_text,
-                              strlen(build_info_text),
+                              strlen(build_info_text) + 1,
                               ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 5),
                               ImGuiInputTextFlags_ReadOnly);
     ImGui::PopFont();
@@ -1384,7 +1384,7 @@ void MainMenuAboutView::Draw()
     SectionTitle("System Information");
     ImGui::PushFont(g_font_mgr.m_fixed_width_font);
     ImGui::InputTextMultiline("###systeminformation", (char *)sys_info_text,
-                              strlen(sys_info_text),
+                              strlen(sys_info_text) + 1,
                               ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 8),
                               ImGuiInputTextFlags_ReadOnly);
     ImGui::PopFont();
@@ -1392,7 +1392,7 @@ void MainMenuAboutView::Draw()
     SectionTitle("Config Information");
     ImGui::PushFont(g_font_mgr.m_fixed_width_font);
     ImGui::InputTextMultiline("##config_info", (char *)m_config_info_text,
-                              strlen(build_info_text),
+                              strlen(build_info_text) + 1,
                               ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 3),
                               ImGuiInputTextFlags_ReadOnly);
     ImGui::PopFont();
diff --git a/ui/xui/monitor.cc b/ui/xui/monitor.cc
index d2f7039f91..10b10eec4a 100644
--- a/ui/xui/monitor.cc
+++ b/ui/xui/monitor.cc
@@ -75,7 +75,7 @@ void MonitorWindow::Draw()
         ImGui::PushID("#MonitorOutput");
         ImGui::InputTextMultiline("",
                                   buffer,
-                                  buffer_len,
+                                  buffer_len + 1,
                                   ImVec2(-1.0f, input_height),
                                   ImGuiInputTextFlags_ReadOnly|ImGuiInputTextFlags_NoUndoRedo);
         ImGui::PopID();