diff --git a/src/input.cpp b/src/input.cpp
index 82c761af4..3c861fb12 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -902,6 +902,31 @@ namespace input {
     input->gamepads[packet->controllerNumber].id = id;
   }
 
+  /**
+   * @brief Normalizes coordinates to monitor-local logical touch dimensions.
+   * @param touch_port The current touch port metadata.
+   * @param coords The in/out coordinate pair to normalize.
+   * @return The monitor-local touch port, or std::nullopt if dimensions are invalid.
+   */
+  std::optional<platf::touch_port_t> monitor_touch_port(const input::touch_port_t &touch_port, std::pair<float, float> &coords) {
+    const float monitor_logical_w = (touch_port.width * touch_port.scalar_inv) / touch_port.scalar_tpcoords;
+    const float monitor_logical_h = (touch_port.height * touch_port.scalar_inv) / touch_port.scalar_tpcoords;
+    if (monitor_logical_w <= 0.0f || monitor_logical_h <= 0.0f) {
+      BOOST_LOG(warning) << "Ignoring touch/pen input due to invalid logical touch dimensions"sv;
+      return std::nullopt;
+    }
+
+    coords.first = (coords.first - touch_port.offset_x) / monitor_logical_w;
+    coords.second = (coords.second - touch_port.offset_y) / monitor_logical_h;
+
+    return platf::touch_port_t {
+      touch_port.offset_x,
+      touch_port.offset_y,
+      static_cast<int>(monitor_logical_w),
+      static_cast<int>(monitor_logical_h)
+    };
+  }
+
   /**
    * @brief Called to pass a touch message to the platform backend.
    * @param input The input context pointer.
@@ -919,16 +944,11 @@ namespace input {
     }
 
     auto &touch_port = input->touch_port;
-    platf::touch_port_t abs_port {
-      touch_port.offset_x,
-      touch_port.offset_y,
-      touch_port.env_width,
-      touch_port.env_height
-    };
 
-    // Renormalize the coordinates
-    coords->first /= abs_port.width;
-    coords->second /= abs_port.height;
+    auto abs_port = monitor_touch_port(touch_port, *coords);
+    if (!abs_port) {
+      return;
+    }
 
     // Normalize rotation value to 0-359 degree range
     auto rotation = util::endian::little(packet->rotation);
@@ -941,7 +961,7 @@ namespace input {
       {from_clamped_netfloat(packet->contactAreaMajor, 0.0f, 1.0f) * 65535.f,
        from_clamped_netfloat(packet->contactAreaMinor, 0.0f, 1.0f) * 65535.f},
       rotation,
-      {abs_port.width / 65535.f, abs_port.height / 65535.f}
+      {abs_port->width / 65535.f, abs_port->height / 65535.f}
     );
 
     platf::touch_input_t touch {
@@ -955,7 +975,7 @@ namespace input {
       contact_area.second,
     };
 
-    platf::touch_update(input->client_context.get(), abs_port, touch);
+    platf::touch_update(input->client_context.get(), *abs_port, touch);
   }
 
   /**
@@ -975,16 +995,11 @@ namespace input {
     }
 
     auto &touch_port = input->touch_port;
-    platf::touch_port_t abs_port {
-      touch_port.offset_x,
-      touch_port.offset_y,
-      touch_port.env_width,
-      touch_port.env_height
-    };
 
-    // Renormalize the coordinates
-    coords->first /= abs_port.width;
-    coords->second /= abs_port.height;
+    auto abs_port = monitor_touch_port(touch_port, *coords);
+    if (!abs_port) {
+      return;
+    }
 
     // Normalize rotation value to 0-359 degree range
     auto rotation = util::endian::little(packet->rotation);
@@ -997,7 +1012,7 @@ namespace input {
       {from_clamped_netfloat(packet->contactAreaMajor, 0.0f, 1.0f) * 65535.f,
        from_clamped_netfloat(packet->contactAreaMinor, 0.0f, 1.0f) * 65535.f},
       rotation,
-      {abs_port.width / 65535.f, abs_port.height / 65535.f}
+      {abs_port->width / 65535.f, abs_port->height / 65535.f}
     );
 
     platf::pen_input_t pen {
@@ -1013,7 +1028,7 @@ namespace input {
       contact_area.second,
     };
 
-    platf::pen_update(input->client_context.get(), abs_port, pen);
+    platf::pen_update(input->client_context.get(), *abs_port, pen);
   }
 
   /**
diff --git a/src/platform/linux/wlgrab.cpp b/src/platform/linux/wlgrab.cpp
index 9ef3e09f9..589d034ab 100644
--- a/src/platform/linux/wlgrab.cpp
+++ b/src/platform/linux/wlgrab.cpp
@@ -74,10 +74,26 @@ namespace wl {
       this->env_width = ::wl::env_width;
       this->env_height = ::wl::env_height;
 
+      this->logical_width = monitor->viewport.logical_width;
+      this->logical_height = monitor->viewport.logical_height;
+
+      int desktop_logical_width = 0;
+      int desktop_logical_height = 0;
+      for (auto &monitor_entry : interface.monitors) {
+        auto output_monitor = monitor_entry.get();
+        desktop_logical_width = std::max(desktop_logical_width, output_monitor->viewport.offset_x + output_monitor->viewport.logical_width);
+        desktop_logical_height = std::max(desktop_logical_height, output_monitor->viewport.offset_y + output_monitor->viewport.logical_height);
+      }
+
+      this->env_logical_width = desktop_logical_width;
+      this->env_logical_height = desktop_logical_height;
+
       BOOST_LOG(info) << "Selected monitor ["sv << monitor->description << "] for streaming"sv;
       BOOST_LOG(debug) << "Offset: "sv << offset_x << 'x' << offset_y;
       BOOST_LOG(debug) << "Resolution: "sv << width << 'x' << height;
+      BOOST_LOG(debug) << "Logical Resolution: "sv << logical_width << 'x' << logical_height;
       BOOST_LOG(debug) << "Desktop Resolution: "sv << env_width << 'x' << env_height;
+      BOOST_LOG(debug) << "Logical Desktop Resolution: "sv << env_logical_width << 'x' << env_logical_height;
 
       return 0;
     }