diff --git a/qt6-webengine.spec b/qt6-webengine.spec
index 2af7e50..0bbf88d 100644
--- a/qt6-webengine.spec
+++ b/qt6-webengine.spec
@@ -48,7 +48,8 @@ Source99:       qt6-webengine-rpmlintrc
 # Patches 100-200 are openSUSE and/or non-upstream(able) patches #
 Patch100:       rtc-dont-use-h264.patch
 #
-# Chromium/blink don't support PowerPC and zSystems
+# Chromium/blink don't support PowerPC and zSystems and build fails on
+# 32 bits archs (https://bugreports.qt.io/browse/QTBUG-102143)
 ExclusiveArch:  aarch64 x86_64 riscv64
 BuildRequires:  Mesa-KHR-devel
 BuildRequires:  bison