diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 401e7f1c..29d3189c 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -735,7 +735,7 @@ bool windowRuleValid(const std::string& RULE) {
     return !(RULE != "float" && RULE != "tile" && RULE.find("opacity") != 0 && RULE.find("move") != 0 && RULE.find("size") != 0 && RULE.find("minsize") != 0 &&
              RULE.find("maxsize") != 0 && RULE.find("pseudo") != 0 && RULE.find("monitor") != 0 && RULE.find("idleinhibit") != 0 && RULE != "nofocus" && RULE != "noblur" &&
              RULE != "noshadow" && RULE != "noborder" && RULE != "center" && RULE != "opaque" && RULE != "forceinput" && RULE != "fullscreen" && RULE != "nofullscreenrequest" &&
-             RULE != "nomaxsize" && RULE != "pin" && RULE != "noanim" && RULE != "windowdance" && RULE.find("animation") != 0 && RULE.find("rounding") != 0 &&
+             RULE != "nomaxsize" && RULE != "pin" && RULE != "noanim" && RULE != "windowdance" && RULE != "maximize" && RULE.find("animation") != 0 && RULE.find("rounding") != 0 &&
              RULE.find("workspace") != 0 && RULE.find("bordercolor") != 0);
 }
 
diff --git a/src/events/Windows.cpp b/src/events/Windows.cpp
index 80b11831..00bcab97 100644
--- a/src/events/Windows.cpp
+++ b/src/events/Windows.cpp
@@ -111,6 +111,7 @@ void Events::listener_mapWindow(void* owner, void* data) {
     bool        requestsFullscreen = PWINDOW->m_bWantsInitialFullscreen ||
         (!PWINDOW->m_bIsX11 && PWINDOW->m_uSurface.xdg->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL && PWINDOW->m_uSurface.xdg->toplevel->requested.fullscreen) ||
         (PWINDOW->m_bIsX11 && PWINDOW->m_uSurface.xwayland->fullscreen);
+    bool requestsMaximize = false;
     bool shouldFocus      = true;
     bool workspaceSpecial = false;
 
@@ -173,6 +174,8 @@ void Events::listener_mapWindow(void* owner, void* data) {
             PWINDOW->m_sAdditionalConfigData.forceAllowsInput = true;
         } else if (r.szRule == "pin") {
             PWINDOW->m_bPinned = true;
+        } else if (r.szRule == "maximize") {
+            requestsMaximize = true;
         } else if (r.szRule.find("idleinhibit") == 0) {
             auto IDLERULE = r.szRule.substr(r.szRule.find_first_of(' ') + 1);
 
@@ -457,7 +460,7 @@ void Events::listener_mapWindow(void* owner, void* data) {
     PWINDOW->m_vRealPosition.setCallbackOnEnd(setAnimToMove);
     PWINDOW->m_vRealSize.setCallbackOnEnd(setAnimToMove);
 
-    if (requestsFullscreen && !PWINDOW->m_bNoFullscreenRequest) {
+    if ((requestsFullscreen || requestsMaximize) && !PWINDOW->m_bNoFullscreenRequest) {
         // fix fullscreen on requested (basically do a switcheroo)
         if (PWORKSPACE->m_bHasFullscreenWindow) {
             const auto PFULLWINDOW = g_pCompositor->getFullscreenWindowOnWorkspace(PWORKSPACE->m_iID);
@@ -467,7 +470,7 @@ void Events::listener_mapWindow(void* owner, void* data) {
         PWINDOW->m_vRealPosition.warp();
         PWINDOW->m_vRealSize.warp();
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, true, FULLSCREEN_FULL);
+        g_pCompositor->setWindowFullscreen(PWINDOW, true, requestsFullscreen ? FULLSCREEN_FULL : FULLSCREEN_MAXIMIZED);
     }
 
     if (pFullscreenWindow && workspaceSilent) {