diff --git a/evolution.spec b/evolution.spec
index 28abe73..5ef4722 100644
--- a/evolution.spec
+++ b/evolution.spec
@@ -299,6 +299,7 @@ CFLAGS="$RPM_OPT_FLAGS -fPIC -DLDAP_DEPRECATED -Wno-sign-compare -Wno-deprecated
 	-DENABLE_PLUGINS=all \
 	%if 0%{?flatpak}
 	"-DWITH_WMCLASS_OVERRIDE=evolution.bin" \
+	"-DTEMP_HOME=1" \
 	%endif
 	%{nil}