--- a/rts/Game/WebbarCloak.h
+++ b/rts/Game/WebbarCloak.h
@@ -24,7 +24,10 @@
 		// BAR's converters need actual stun status too. This is presentation
 		// eligibility, not a prediction of allocation, payment or MMStatus.
 		const bool converter = !gu->spectating && def->customParams.contains("energyconv_capacity") && def->customParams.contains("energyconv_efficiency");
-		if (!def->canCloak && !unit->isCloaked && !unit->stealth && !unit->sonarStealth && !def->canResurrect && unit->stockpileWeapon == nullptr && !converter) continue;
+		// A jammer's native stun state is distinct from activation and sensor
+		// coverage. Preserve the original simulation and publish only its state.
+		const bool jammer = !gu->spectating && (def->jammerRadius > 0 || def->sonarJamRadius > 0);
+		if (!def->canCloak && !unit->isCloaked && !unit->stealth && !unit->sonarStealth && !def->canResurrect && unit->stockpileWeapon == nullptr && !converter && !jammer) continue;
 		if (records.size() >= 4096) { ++dropped; continue; }
 		commandsChanged |= webbarCloakEvents::CommandMetadataChanged(unit->id, unit->beingBuilt);
 		const auto rule = [&](const char* name) {