@@ -69,8 +69,14 @@ function lazyllhttp () {
 
   let mod
 
-  // We disable wasm SIMD on ppc64 as it seems to be broken on Power 9 architectures.
-  let useWasmSIMD = process.arch !== 'ppc64'
+  // We disable wasm SIMD on older versions of Node.js on ppc64 that are broken on Power >=9 architectures.
+  let useWasmSIMD = true
+  if (process.arch === 'ppc64') {
+    const [major, minor] = process.versions.node.split('.').map(n => parseInt(n, 10))
+    if (major < 24 || (major === 24 && minor < 12)) {
+      useWasmSIMD = false
+    }
+  }
   // The Env Variable UNDICI_NO_WASM_SIMD allows explicitly overriding the default behavior
   if (process.env.UNDICI_NO_WASM_SIMD === '1') {
     useWasmSIMD = false