diff --git a/src/wasm/worker.cpp b/src/wasm/worker.cpp
index 535cd0c..c857448 100644
--- a/src/wasm/worker.cpp
+++ b/src/wasm/worker.cpp
@@ -1200,6 +1200,8 @@ private:
 	static wasmtime::Engine make_engine()
 	{
 		wasmtime::Config config;
+		wasmtime::PoolAllocationConfig pool;
+		config.pooling_allocation_strategy(pool);
 		config.epoch_interruption(true);
 		// CRITICAL: the host (linux_fastcgi.cpp) installs its own SIGSEGV/SIGILL/
 		// SIGBUS handlers per request (install_request_fault_handlers) with plain