diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
index 90b034206244..902eed35263b 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
@@ -3774,6 +3774,7 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
         if (isColumnMode() || e.isAltDown()) {
           final LogicalPosition blockStart = selectionModel.hasBlockSelection() ? selectionModel.getBlockStart() : oldLogicalCaret;
           selectionModel.setBlockSelection(blockStart, getCaretModel().getLogicalPosition());
+          IdeEventQueue.getInstance().blockNextEvents(e);   // don't process action on mouse released (IDEA-53663)
         }
         else {
           if (getMouseSelectionState() != MOUSE_SELECTION_STATE_NONE) {