diff --git a/src/cargopacket.cpp b/src/cargopacket.cpp
index 3eea10a5b5..67d00554b6 100644
--- a/src/cargopacket.cpp
+++ b/src/cargopacket.cpp
@@ -557,8 +557,8 @@ void VehicleCargoList::InvalidateCache()
 template<VehicleCargoList::MoveToAction Tfrom, VehicleCargoList::MoveToAction Tto>
 uint VehicleCargoList::Reassign(uint max_move, TileOrStationID)
 {
-	assert_compile(Tfrom != MTA_TRANSFER && Tto != MTA_TRANSFER);
-	assert_compile(Tfrom - Tto == 1 || Tto - Tfrom == 1);
+	assert_tcompile(Tfrom != MTA_TRANSFER && Tto != MTA_TRANSFER);
+	assert_tcompile(Tfrom - Tto == 1 || Tto - Tfrom == 1);
 	max_move = min(this->action_counts[Tfrom], max_move);
 	this->action_counts[Tfrom] -= max_move;
 	this->action_counts[Tto] += max_move;
diff --git a/src/core/pool_type.hpp b/src/core/pool_type.hpp
index 25067ae272..4d20ed1abb 100644
--- a/src/core/pool_type.hpp
+++ b/src/core/pool_type.hpp
@@ -82,7 +82,7 @@ private:
 template <class Titem, typename Tindex, size_t Tgrowth_step, size_t Tmax_size, PoolType Tpool_type = PT_NORMAL, bool Tcache = false, bool Tzero = true>
 struct Pool : PoolBase {
 	/* Ensure Tmax_size is within the bounds of Tindex. */
-	assert_compile((Tmax_size - 1) >> 8 * sizeof(Tindex) == 0);
+	assert_compile((uint64)(Tmax_size - 1) >> 8 * sizeof(Tindex) == 0);
 
 	static const size_t MAX_SIZE = Tmax_size; ///< Make template parameter accessible from outside