diff --git a/zziplib.spec b/zziplib.spec
index cac827c..e0bdcb6 100644
--- a/zziplib.spec
+++ b/zziplib.spec
@@ -71,9 +71,13 @@ export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
 # Remove rpath on 64bit archs
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' */libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' */libtool
+# Only patch generated _config.h on non-i686 and armv7hl
+# These platforms have a correct _config.h already
+%ifnarch i686 armv7hl
 cd _builddir
 %apply_patch %{PATCH1} -p2
 cd ..
+%endif
 
 %{__make} %{?_smp_mflags}