diff --git a/kgpg.spec b/kgpg.spec
index 5f1f16a..accaafa 100644
--- a/kgpg.spec
+++ b/kgpg.spec
@@ -22,6 +22,8 @@ Release:        0
 %define kf5_version 5.26.0
 # Latest stable Applications (e.g. 16.08 in KA, but 16.11.90 in KUA)
 %{!?_kapp_version: %global _kapp_version %(echo %{version}| awk -F. '{print $1"."$2}')}
+# It can only build on the same platforms as Qt Webengine
+ExclusiveArch:  %ix86 x86_64 %arm aarch64 mips mips64
 Summary:        Encryption Tool
 License:        GPL-2.0+
 Group:          Productivity/Security