diff --git a/highlight.spec b/highlight.spec
index d7f5bea..51525bb 100644
--- a/highlight.spec
+++ b/highlight.spec
@@ -40,7 +40,9 @@ CFLAGS="$CFLAGS -fPIC %{optflags}"; export CFLAGS
 CXXFLAGS="$CXXFLAGS -fPIC %{optflags}"; export CXXFLAGS
 LDFLAGS="$LDFLAGS %{?__global_ldflags}"; export LDFLAGS
 
-%make_build all gui           CFLAGS="${CFLAGS}"          \
+# disabled paralell builds to fix FTBFS on rawhide & highlight 3.52+
+#make_build all gui           CFLAGS="${CFLAGS}"          \
+      make all gui            CFLAGS="${CFLAGS}"          \
                               CXXFLAGS="${CXXFLAGS}"      \
                               LDFLAGS="${LDFLAGS}"        \
                               LFLAGS="-Wl,-O1 ${LDFLAGS}" \