diff --git a/src/runtime/runtime_wasmentry.go b/src/runtime/runtime_wasmentry.go
index 005b58641..59cacb3b0 100644
--- a/src/runtime/runtime_wasmentry.go
+++ b/src/runtime/runtime_wasmentry.go
@@ -34,8 +34,8 @@ func wasmEntryReactor() {
 	// Initialize the heap.
 	heapStart = uintptr(unsafe.Pointer(&heapStartSymbol))
 	heapEnd = uintptr(wasm_memory_size(0) * wasmPageSize)
-	initRand()
 	initHeap()
+	initRand()
 
 	if hasScheduler {
 		// A package initializer might do funky stuff like start a goroutine and