diff --git a/himbaechel/uarch/gowin/globals.cc b/himbaechel/uarch/gowin/globals.cc
index e510e474..1011bc41 100644
--- a/himbaechel/uarch/gowin/globals.cc
+++ b/himbaechel/uarch/gowin/globals.cc
@@ -65,11 +65,12 @@ struct GowinGlobalRouter
         bool not_dcs_pip = dst_name != id_CLKOUT;
         IdString src_type = ctx->getWireType(src);
         IdString dst_type = ctx->getWireType(dst);
-        bool src_valid = not_dcs_pip && src_type.in(id_GLOBAL_CLK, id_IO_O, id_PLL_O, id_HCLK, id_DLLDLY, id_OSCOUT);
+        bool src_is_outpin = src_type.in(id_IO_O, id_PLL_O, id_HCLK, id_DLLDLY, id_OSCOUT);
+        bool src_valid = not_dcs_pip && (src_type == id_GLOBAL_CLK || src_is_outpin);
         bool dst_valid = not_dcs_pip && dst_type.in(id_GLOBAL_CLK, id_TILE_CLK, id_PLL_I, id_IO_I, id_HCLK);
 
         bool res;
-        if (src == src_wire && (!src_type.in(id_IO_O, id_HCLK, id_DLLDLY_O, id_OSCOUT))) {
+        if (src == src_wire && (src_type == id_PLL_O || (!src_is_outpin))) {
             bool dst_is_spine = dst_name.str(ctx).rfind("SPINE", 0) == 0;
             res = src_valid && dst_is_spine;
         } else {