diff --git a/hyprtester/src/tests/main/window.cpp b/hyprtester/src/tests/main/window.cpp
index 0a2e31d0..fbaffa18 100644
--- a/hyprtester/src/tests/main/window.cpp
+++ b/hyprtester/src/tests/main/window.cpp
@@ -447,6 +447,39 @@ static void testBringActiveToTopMouseMovement() {
     Tests::killAllWindows();
 }
 
+static void testInitialFloatSize() {
+    NLog::log("{}Testing initial float size", Colors::GREEN);
+
+    Tests::killAllWindows();
+    OK(getFromSocket("/keyword windowrule match:class kitty, float yes"));
+    OK(getFromSocket("/keyword input:float_switch_override_focus 0"));
+
+    EXPECT(spawnKitty("kitty"), true);
+
+    {
+        // Kitty by default opens as 640x400, if this changes this test will break
+        auto str = getFromSocket("/clients");
+        EXPECT(str.contains("size: 640,400"), true);
+    }
+
+    OK(getFromSocket("/reload"));
+
+    Tests::killAllWindows();
+
+    OK(getFromSocket("/dispatch exec [float yes]kitty"));
+
+    Tests::waitUntilWindowsN(1);
+
+    {
+        // Kitty by default opens as 640x400, if this changes this test will break
+        auto str = getFromSocket("/clients");
+        EXPECT(str.contains("size: 640,400"), true);
+        EXPECT(str.contains("floating: 1"), true);
+    }
+
+    Tests::killAllWindows();
+}
+
 static bool test() {
     NLog::log("{}Testing windows", Colors::GREEN);
 
@@ -877,12 +910,10 @@ static bool test() {
     Tests::killAllWindows();
 
     testGroupRules();
-
     testMaximizeSize();
-
     testBringActiveToTopMouseMovement();
-
     testGroupFallbackFocus();
+    testInitialFloatSize();
 
     NLog::log("{}Reloading config", Colors::YELLOW);
     OK(getFromSocket("/reload"));
diff --git a/nix/tests/default.nix b/nix/tests/default.nix
index bdb3fe7c..df666e62 100644
--- a/nix/tests/default.nix
+++ b/nix/tests/default.nix
@@ -27,6 +27,9 @@ in {
 
       environment.etc."kitty/kitty.conf".text = ''
         confirm_os_window_close 0
+        remember_window_size no
+        initial_window_width  640
+        initial_window_height 400
       '';
 
       programs.hyprland = {
diff --git a/src/desktop/rule/matchEngine/WorkspaceMatchEngine.cpp b/src/desktop/rule/matchEngine/WorkspaceMatchEngine.cpp
index abaa1657..fea5c384 100644
--- a/src/desktop/rule/matchEngine/WorkspaceMatchEngine.cpp
+++ b/src/desktop/rule/matchEngine/WorkspaceMatchEngine.cpp
@@ -8,5 +8,5 @@ CWorkspaceMatchEngine::CWorkspaceMatchEngine(const std::string& s) : m_value(s)
 }
 
 bool CWorkspaceMatchEngine::match(PHLWORKSPACE ws) {
-    return ws->matchesStaticSelector(m_value);
+    return ws && ws->matchesStaticSelector(m_value);
 }
diff --git a/src/desktop/rule/windowRule/WindowRuleApplicator.cpp b/src/desktop/rule/windowRule/WindowRuleApplicator.cpp
index 0b6cba0f..cb3a6f67 100644
--- a/src/desktop/rule/windowRule/WindowRuleApplicator.cpp
+++ b/src/desktop/rule/windowRule/WindowRuleApplicator.cpp
@@ -537,7 +537,7 @@ CWindowRuleApplicator::SRuleResult CWindowRuleApplicator::applyStaticRule(const
     return SRuleResult{};
 }
 
-void CWindowRuleApplicator::readStaticRules() {
+void CWindowRuleApplicator::readStaticRules(bool preRead) {
     if (!m_window)
         return;
 
@@ -592,7 +592,8 @@ void CWindowRuleApplicator::readStaticRules() {
     for (const auto& wr : execRules) {
         applyStaticRule(wr);
         applyDynamicRule(wr);
-        ruleEngine()->unregisterRule(wr);
+        if (!preRead)
+            ruleEngine()->unregisterRule(wr);
     }
 }
 
diff --git a/src/desktop/rule/windowRule/WindowRuleApplicator.hpp b/src/desktop/rule/windowRule/WindowRuleApplicator.hpp
index 121de727..5c1d4fd1 100644
--- a/src/desktop/rule/windowRule/WindowRuleApplicator.hpp
+++ b/src/desktop/rule/windowRule/WindowRuleApplicator.hpp
@@ -33,8 +33,7 @@ namespace Desktop::Rule {
         void                                                        propertiesChanged(std::underlying_type_t<eRuleProperty> props);
         std::unordered_set<CWindowRuleEffectContainer::storageType> resetProps(std::underlying_type_t<eRuleProperty> props,
                                                                                Types::eOverridePriority              prio = Types::PRIORITY_WINDOW_RULE);
-        void                                                        readStaticRules();
-        void                                                        applyStaticRules();
+        void                                                        readStaticRules(bool preRead = false);
 
         // static props
         struct {
diff --git a/src/desktop/view/Window.cpp b/src/desktop/view/Window.cpp
index 3031284c..a22f4a9d 100644
--- a/src/desktop/view/Window.cpp
+++ b/src/desktop/view/Window.cpp
@@ -2546,6 +2546,9 @@ void CWindow::unmapWindow() {
 
 void CWindow::commitWindow() {
     if (!m_isX11 && m_xdgSurface->m_initialCommit) {
+        // try to calculate static rules already for any floats
+        m_ruleApplicator->readStaticRules(true);
+
         Vector2D predSize = g_pLayoutManager->getCurrentLayout()->predictSizeForNewWindow(m_self.lock());
 
         Log::logger->log(Log::DEBUG, "Layout predicts size {} for {}", predSize, m_self.lock());