diff --git a/src/desktop/Window.cpp b/src/desktop/Window.cpp
index b015d61f..34682b32 100644
--- a/src/desktop/Window.cpp
+++ b/src/desktop/Window.cpp
@@ -692,6 +692,8 @@ void CWindow::applyDynamicRule(const SWindowRule& r) {
                     inactiveBorderGradient.m_vColors.push_back(configStringToInt(token).value_or(0));
             }
 
+            activeBorderGradient.updateColorsOk();
+
             // Includes sanity checks for the number of colors in each gradient
             if (activeBorderGradient.m_vColors.size() > 10 || inactiveBorderGradient.m_vColors.size() > 10)
                 Debug::log(WARN, "Bordercolor rule \"{}\" has more than 10 colors in one gradient, ignoring", r.szRule);
diff --git a/src/managers/KeybindManager.cpp b/src/managers/KeybindManager.cpp
index cfb7453c..153c3c0d 100644
--- a/src/managers/KeybindManager.cpp
+++ b/src/managers/KeybindManager.cpp
@@ -2997,6 +2997,8 @@ SDispatchResult CKeybindManager::setProp(std::string args) {
                     return std::invoke_result_t<decltype(::configStringToInt), const std::string&>(1);
                 });
 
+            colorData.updateColorsOk();
+
             if (PROP == "activebordercolor")
                 PWINDOW->m_sWindowData.activeBorderColor = CWindowOverridableVar(colorData, PRIORITY_SET_PROP);
             else