diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
index 883ae79043..8fb35b906c 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.cpp
@@ -175,6 +175,14 @@ namespace O3DE::ProjectManager
         ShowOverlay();
     }
 
+    void CartButton::hideEvent(QHideEvent*)
+    {
+        if (m_cartOverlay)
+        {
+            m_cartOverlay->hide();
+        }
+    }
+
     void CartButton::ShowOverlay()
     {
         const QVector<QModelIndex> toBeAdded = m_gemModel->GatherGemsToBeAdded();
diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
index 8d6606e63d..dc8f687b31 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogHeaderWidget.h
@@ -16,6 +16,7 @@
 #include <QLabel>
 #include <QDialog>
 #include <QMoveEvent>
+#include <QHideEvent>
 #include <QVBoxLayout>
 #endif
 
@@ -59,6 +60,7 @@ namespace O3DE::ProjectManager
 
     private:
         void mousePressEvent(QMouseEvent* event) override;
+        void hideEvent(QHideEvent*) override;
 
         GemModel* m_gemModel = nullptr;
         QHBoxLayout* m_layout = nullptr;