1 files changed, 9 insertions, 0 deletions
diff --git a/src/managers/KeybindManager.cpp b/src/managers/KeybindManager.cpp
index 0dadcddd..fca98114 100644
--- a/src/managers/KeybindManager.cpp
+++ b/src/managers/KeybindManager.cpp
@@ -1340,6 +1340,15 @@ void CKeybindManager::changeGroupActive(std::string args) {
 void CKeybindManager::toggleSplit(std::string args) {
     SLayoutMessageHeader header;
     header.pWindow = g_pCompositor->m_pLastWindow;
+
+    if (!header.pWindow)
+        return;
+
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(header.pWindow->m_iWorkspaceID);
+
+    if (PWORKSPACE->m_bHasFullscreenWindow)
+        return;
+
     g_pLayoutManager->getCurrentLayout()->layoutMessage(header, "togglesplit");
 }