diff --git a/frontend/index.html b/frontend/index.html
index 111d9d3..491d7d7 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -18,7 +18,7 @@
 <div class="max-w-7xl mx-auto px-6 py-2">
 
 	<div class="flex items-center justify-between mb-3">
-		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v2.1.17</span></h1>
+		<h1 class="text-2xl font-bold text-heading">OTAMan <span id="slogan" class="text-sm font-normal text-gray-500 dark:text-slate-400 ml-2" data-l10n="SIM OTA with a Human Face">SIM OTA with a Human Face</span> <span class="text-xs text-gray-400 dark:text-slate-500 ml-1">v2.1.18</span></h1>
 		<div class="flex items-center gap-4">
 			<span id="state-indicator" class="flex items-center select-none" style="cursor:default" title="Connecting...">
 				<span id="state-indicator-dot" class="text-xs text-gray-400" title="Connecting...">●</span>
@@ -5789,11 +5789,16 @@ function cardsRender() {
 function cardsRebuildSelect() {
 	const sel = document.getElementById('sp-card-sel');
 	if (!sel) return;
+	// Keep the current selection: cardsSave() runs after every send (counter
+	// sync) and an innerHTML rebuild otherwise resets the dropdown to its
+	// first option, forcing a manual re-select each time (fixed 2.1.18).
+	const prev = sel.value;
 	let html = '<option value="">' + t('— Select card —') + '</option>';
 	for (let i = 0; i < cards.length; i++) {
 		html += '<option value="' + i + '">' + esc(cards[i].name) + ' (' + esc(cards[i].iccid) + ')</option>';
 	}
 	sel.innerHTML = html;
+	if (prev !== '' && cards[parseInt(prev, 10)]) sel.value = prev;
 }
 
 function cardsApply(idx) {
diff --git a/frontend/sw.js b/frontend/sw.js
index 71cdbc5..cd9092e 100644
--- a/frontend/sw.js
+++ b/frontend/sw.js
@@ -1,4 +1,4 @@
-const CACHE = 'otaman-v154';
+const CACHE = 'otaman-v155';
 const URLS = [
   'index.html',
   'help.html',
diff --git a/pyproject.toml b/pyproject.toml
index e9abd68..302f674 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pysim-otaman-server"
-version = "2.1.17"
+version = "2.1.18"
 description = "HTTP REST server wrapping pysim for the OTAMan PWA"
 requires-python = ">=3.8"
 # pysim is a git-only dependency installed explicitly by setup.bat/setup.sh.
diff --git a/pysim_otaman_server/server.py b/pysim_otaman_server/server.py
index f4e80a3..2e8ab69 100644
--- a/pysim_otaman_server/server.py
+++ b/pysim_otaman_server/server.py
@@ -21,7 +21,7 @@ from osmocom.construct import GsmOrUcs2Adapter
 from osmocom.tlv import BER_TLV_IE
 
 
-VERSION = '2.1.17'
+VERSION = '2.1.18'
 
 MAX_ENVELOPE_SEGMENTS = 5  # max SMS segments for outgoing C-APDU in ENVELOPE