diff --git a/0ad.spec b/0ad.spec
index c99749c..6d6784f 100644
--- a/0ad.spec
+++ b/0ad.spec
@@ -105,11 +105,13 @@ flexible game engine.
 %patch -P 3 -p1
 %patch -P 4 -p1
 %patch -P 5 -p1
-%patch -P 6 -p1
 %if %{with system_mozjs}
 %patch -P 1 -p1
 %patch -P 2 -p1
 %endif
+%if %{pkg_vcmp libboost_filesystem-devel >= 1.74}
+%patch -P 6 -p1
+%endif
 
 %build
 export CFLAGS="%{optflags}"