diff --git a/fpga_interchange/arch.cc b/fpga_interchange/arch.cc
index 5b38a879..f9209922 100644
--- a/fpga_interchange/arch.cc
+++ b/fpga_interchange/arch.cc
@@ -1959,6 +1959,17 @@ void Arch::explain_bel_status(BelId bel) const
     site.explain(getCtx());
 }
 
+DelayQuad Arch::getPipDelay(PipId pip) const {
+    // FIXME: Implement when adding timing-driven place and route.
+    const auto & pip_data = pip_info(chip_info, pip);
+
+    // Scale pseudo-pips by the number of wires they consume to make them
+    // more expensive than a single edge.  This approximation exists soley to
+    // make the non-timing driven solution avoid thinking that pseudo-pips
+    // are the same cost as regular pips.
+    return DelayQuad(100*(1+pip_data.pseudo_cell_wires.size()));
+}
+
 // Instance constraint templates.
 template void Arch::ArchConstraints::bindBel(Arch::ArchConstraints::TagState *, const Arch::ConstraintRange);
 template void Arch::ArchConstraints::unbindBel(Arch::ArchConstraints::TagState *, const Arch::ConstraintRange);
diff --git a/fpga_interchange/arch.h b/fpga_interchange/arch.h
index 0b1cfa43..a6ea70d8 100644
--- a/fpga_interchange/arch.h
+++ b/fpga_interchange/arch.h
@@ -622,11 +622,7 @@ struct Arch : ArchAPI<ArchRanges>
         return canonical_wire(chip_info, pip.tile, loc_info(chip_info, pip).pip_data[pip.index].dst_index);
     }
 
-    DelayQuad getPipDelay(PipId pip) const final
-    {
-        // FIXME: Implement when adding timing-driven place and route.
-        return DelayQuad(100);
-    }
+    DelayQuad getPipDelay(PipId pip) const final;
 
     DownhillPipRange getPipsDownhill(WireId wire) const final
     {