diff --git a/src/Window.cpp b/src/Window.cpp
index fc09b330..6b264b6f 100644
--- a/src/Window.cpp
+++ b/src/Window.cpp
@@ -77,6 +77,18 @@ wlr_box CWindow::getWindowIdealBoundingBoxIgnoreReserved() {
 void CWindow::updateWindowDecos() {
     for (auto& wd : m_dWindowDecorations)
         wd->updateWindow(this);
+
+    for (auto& wd : m_vDecosToRemove) {
+        for (auto it = m_dWindowDecorations.begin(); it != m_dWindowDecorations.end(); it++) {
+            if (it->get() == wd) {
+                it = m_dWindowDecorations.erase(it);
+                if (it == m_dWindowDecorations.end())
+                    break;
+            }
+        }
+    }
+
+    m_vDecosToRemove.clear();
 }
 
 pid_t CWindow::getPID() {
diff --git a/src/Window.hpp b/src/Window.hpp
index ca6bcbf6..afe52f89 100644
--- a/src/Window.hpp
+++ b/src/Window.hpp
@@ -99,6 +99,7 @@ public:
 
     // Window decorations
     std::deque<std::unique_ptr<IHyprWindowDecoration>> m_dWindowDecorations;
+    std::vector<IHyprWindowDecoration*> m_vDecosToRemove;
 
     // Special render data, rules, etc
     SWindowSpecialRenderData m_sSpecialRenderData;
diff --git a/src/render/decorations/CHyprGroupBarDecoration.cpp b/src/render/decorations/CHyprGroupBarDecoration.cpp
index abb5d90c..2d46d7a0 100644
--- a/src/render/decorations/CHyprGroupBarDecoration.cpp
+++ b/src/render/decorations/CHyprGroupBarDecoration.cpp
@@ -40,12 +40,8 @@ void CHyprGroupBarDecoration::updateWindow(CWindow* pWindow) {
 
     if (g_pLayoutManager->getCurrentLayout()->getLayoutName() != "dwindle") {
         // ????
-        for (auto it = pWindow->m_dWindowDecorations.begin(); it != pWindow->m_dWindowDecorations.end(); it++) {
-            if (it->get() == this) {
-                pWindow->m_dWindowDecorations.erase(it);
-                return;
-            }
-        }
+        m_pWindow->m_vDecosToRemove.push_back(this);
+        return;
     }
 
     // get the group info
@@ -58,12 +54,8 @@ void CHyprGroupBarDecoration::updateWindow(CWindow* pWindow) {
 
     if (m_dwGroupMembers.size() == 0) {
         // remove
-        for (auto it = pWindow->m_dWindowDecorations.begin(); it != pWindow->m_dWindowDecorations.end(); it++) {
-            if (it->get() == this) {
-                pWindow->m_dWindowDecorations.erase(it);
-                return;
-            }
-        }
+        m_pWindow->m_vDecosToRemove.push_back(this);
+        return;
     }
 }