diff --git a/cmd/workers-assets-gen/assets/wasm_exec_go.js b/cmd/workers-assets-gen/assets/wasm_exec_go.js
index e0a4919..e818734 100644
--- a/cmd/workers-assets-gen/assets/wasm_exec_go.js
+++ b/cmd/workers-assets-gen/assets/wasm_exec_go.js
@@ -19,8 +19,8 @@
 				outputBuf += decoder.decode(buf);
 				const nl = outputBuf.lastIndexOf("\n");
 				if (nl != -1) {
-					console.log(outputBuf.substr(0, nl));
-					outputBuf = outputBuf.substr(nl + 1);
+					console.log(outputBuf.substring(0, nl));
+					outputBuf = outputBuf.substring(nl + 1);
 				}
 				return buf.length;
 			},
@@ -113,6 +113,10 @@
 				this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
 			}
 
+			const setInt32 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+			}
+
 			const getInt64 = (addr) => {
 				const low = this.mem.getUint32(addr + 0, true);
 				const high = this.mem.getInt32(addr + 4, true);
@@ -206,7 +210,10 @@
 
 			const timeOrigin = Date.now() - performance.now();
 			this.importObject = {
-				go: {
+				_gotest: {
+					add: (a, b) => a + b,
+				},
+				gojs: {
 					// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
 					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
 					// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
@@ -269,7 +276,7 @@
 									this._resume();
 								}
 							},
-							getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
+							getInt64(sp + 8),
 						));
 						this.mem.setInt32(sp + 16, id, true);
 					},