diff --git a/hosts/ocaml/browser/sx-platform.js b/hosts/ocaml/browser/sx-platform.js
index ab8f6330..a43e690a 100644
--- a/hosts/ocaml/browser/sx-platform.js
+++ b/hosts/ocaml/browser/sx-platform.js
@@ -700,8 +700,9 @@
           K.eval("(handle-popstate " + scrollY + ")");
         });
         // Wire up streaming suspense resolution
+        var _resolveFn = K.eval("resolve-suspense");
         Sx.resolveSuspense = function(id, sx) {
-          try { K.eval('(resolve-suspense "' + id.replace(/"/g, '\\"') + '" "' + sx.replace(/\\/g, '\\\\').replace(/"/g, '\\"') + '")'); }
+          try { K.callFn(_resolveFn, [id, sx]); }
           catch(e) { console.error("[sx] resolveSuspense error:", e); }
         };
         // Drain any pending resolves that arrived before boot
diff --git a/shared/static/wasm/sx-platform.js b/shared/static/wasm/sx-platform.js
index ab8f6330..a43e690a 100644
--- a/shared/static/wasm/sx-platform.js
+++ b/shared/static/wasm/sx-platform.js
@@ -700,8 +700,9 @@
           K.eval("(handle-popstate " + scrollY + ")");
         });
         // Wire up streaming suspense resolution
+        var _resolveFn = K.eval("resolve-suspense");
         Sx.resolveSuspense = function(id, sx) {
-          try { K.eval('(resolve-suspense "' + id.replace(/"/g, '\\"') + '" "' + sx.replace(/\\/g, '\\\\').replace(/"/g, '\\"') + '")'); }
+          try { K.callFn(_resolveFn, [id, sx]); }
           catch(e) { console.error("[sx] resolveSuspense error:", e); }
         };
         // Drain any pending resolves that arrived before boot