diff --git a/src/coreclr/vm/stackwalk.cpp b/src/coreclr/vm/stackwalk.cpp
index 6390b064d43a59..4cd7214f44693f 100644
--- a/src/coreclr/vm/stackwalk.cpp
+++ b/src/coreclr/vm/stackwalk.cpp
@@ -421,6 +421,19 @@ PCODE Thread::VirtualUnwindCallFrame(T_CONTEXT* pContext,
                                         EECodeInfo * pCodeInfo /*= NULL*/
                                         ARM64_ARG(TADDR * pSpForPacSign /*= NULL*/))
 {
+#ifdef TARGET_WASM
+    // WASM has a custom RtlVirtualUnwind (vm/wasm/helpers.cpp) that handles
+    // R2R-WASM frames keyed by virtual IPs. For interpreter-only WASM (e.g.,
+    // the WASI corerun) there is no R2R unwind info and no virtual IP, so
+    // walking past such a frame is not supported and the call into the body
+    // would corrupt the register display. Fail fast in that case; let R2R
+    // frames flow through the regular path below.
+    if (!ExecutionManager::IsVirtualIP(GetIP(pContext)))
+    {
+        _ASSERTE(!"VirtualUnwindCallFrame: non-virtual-IP context on WebAssembly");
+        return 0;
+    }
+#endif // TARGET_WASM
     CONTRACTL
     {
         NOTHROW;