diff --git a/src/helpers/WLClasses.cpp b/src/helpers/WLClasses.cpp
index 455dd890..1fa807fa 100644
--- a/src/helpers/WLClasses.cpp
+++ b/src/helpers/WLClasses.cpp
@@ -90,3 +90,28 @@ Vector2D SConstraint::getLogicConstraintPos() {
 
     return COORDS;
 }
+
+Vector2D SConstraint::getLogicConstraintSize() {
+    if (!constraint)
+        return {};
+
+    const auto PWINDOWOWNER = g_pCompositor->getWindowFromSurface(constraint->surface);
+
+    if (!PWINDOWOWNER)
+        return {};
+
+    if (!PWINDOWOWNER->m_bIsX11)
+        return PWINDOWOWNER->m_vRealSize.goalv();
+
+    const auto PMONITOR = PWINDOWOWNER->m_bIsMapped ?
+        g_pCompositor->getMonitorFromID(PWINDOWOWNER->m_iMonitorID) :
+        g_pCompositor->getMonitorFromVector(g_pXWaylandManager->xwaylandToWaylandCoords({PWINDOWOWNER->m_uSurface.xwayland->x, PWINDOWOWNER->m_uSurface.xwayland->y}));
+
+    if (!PMONITOR)
+        return {};
+
+    const auto SIZE = PWINDOWOWNER->m_bIsMapped ? PWINDOWOWNER->m_vRealSize.goalv() :
+                                                  Vector2D{PWINDOWOWNER->m_uSurface.xwayland->width, PWINDOWOWNER->m_uSurface.xwayland->height} * PMONITOR->xwaylandScale;
+
+    return SIZE;
+}
\ No newline at end of file
diff --git a/src/helpers/WLClasses.hpp b/src/helpers/WLClasses.hpp
index 2c6a6781..d66ebdfd 100644
--- a/src/helpers/WLClasses.hpp
+++ b/src/helpers/WLClasses.hpp
@@ -176,6 +176,7 @@ struct SConstraint {
 
     CRegion getLogicCoordsRegion();
     Vector2D getLogicConstraintPos();
+    Vector2D getLogicConstraintSize();
 
     bool    operator==(const SConstraint& b) const {
            return constraint == b.constraint;
diff --git a/src/managers/input/InputManager.cpp b/src/managers/input/InputManager.cpp
index 485fe6f6..ec1534d5 100644
--- a/src/managers/input/InputManager.cpp
+++ b/src/managers/input/InputManager.cpp
@@ -145,8 +145,7 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
             // Native Wayland apps know how 2 constrain themselves.
             // XWayland, we just have to accept them. Might cause issues, but thats XWayland for ya.
             const auto CONSTRAINTPOS  = PCONSTRAINT->getLogicConstraintPos();
-            const auto CONSTRAINTSIZE = CONSTRAINTWINDOW->m_bIsX11 ? Vector2D(CONSTRAINTWINDOW->m_uSurface.xwayland->width, CONSTRAINTWINDOW->m_uSurface.xwayland->height) :
-                                                                     CONSTRAINTWINDOW->m_vRealSize.vec();
+            const auto CONSTRAINTSIZE = PCONSTRAINT->getLogicConstraintSize();
 
             if (g_pCompositor->m_sSeat.mouse->currentConstraint->type == WLR_POINTER_CONSTRAINT_V1_LOCKED) {
                 // we just snap the cursor to where it should be.