diff --git a/geometry.cpp b/geometry.cpp
index 499db653f1..2bc059c96f 100644
--- a/geometry.cpp
+++ b/geometry.cpp
@@ -1635,12 +1635,18 @@ void Client::configureRequest(int value_mask, int rx, int ry, int rw, int rh, in
 {
     // "maximized" is a user setting -> we do not allow the client to resize itself
     // away from this & against the users explicit wish
+    kDebug(1212) << this << bool(value_mask & (CWX|CWWidth|CWY|CWHeight)) <<
+                            bool(maximizeMode() & MaximizeVertical) <<
+                            bool(maximizeMode() & MaximizeHorizontal);
     if (maximizeMode() & MaximizeVertical)
         value_mask &= ~(CWY|CWHeight); // do not allow clients to drop out of vertical ...
     if (maximizeMode() & MaximizeHorizontal)
         value_mask &= ~(CWX|CWWidth); // .. or horizontal maximization (MaximizeFull == MaximizeVertical|MaximizeHorizontal)
-    if (!(value_mask & (CWX|CWWidth|CWY|CWHeight)))
+    if (!(value_mask & (CWX|CWWidth|CWY|CWHeight))) {
+        kDebug(1212) << "DENIED";
         return; // nothing to (left) to do for use - bugs #158974, #252314
+    }
+    kDebug(1212) << "PERMITTED" << this << bool(value_mask & (CWX|CWWidth|CWY|CWHeight));
 
     if (gravity == 0)   // default (nonsense) value for the argument
         gravity = xSizeHint.win_gravity;