diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 50cabf7b..da6ba1c5 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -1190,13 +1190,13 @@ void CCompositor::updateWindowAnimatedDecorationValues(CWindow* pWindow) {
             if (pWindow == m_pLastWindow)
                 pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alpha * *PACTIVEALPHA;
             else
-                pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alphaInactive != -1 ? pWindow->m_sSpecialRenderData.alphaInactive : *PINACTIVEALPHA;
+                pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alphaInactive != -1 ? pWindow->m_sSpecialRenderData.alphaInactive * *PINACTIVEALPHA : *PINACTIVEALPHA;
         }
     } else {
         if (pWindow == m_pLastWindow)
             pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alpha * *PACTIVEALPHA;
         else
-            pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alphaInactive != -1 ? pWindow->m_sSpecialRenderData.alphaInactive : *PINACTIVEALPHA;
+            pWindow->m_fActiveInactiveAlpha = pWindow->m_sSpecialRenderData.alphaInactive != -1 ? pWindow->m_sSpecialRenderData.alphaInactive * *PINACTIVEALPHA : *PINACTIVEALPHA;
     }
 }