diff --git a/scripts/smoke.sh b/scripts/smoke.sh
index 573b37d..de13d2d 100755
--- a/scripts/smoke.sh
+++ b/scripts/smoke.sh
@@ -11,6 +11,12 @@ cd "$(dirname "$0")/.."
 
 addr=127.0.0.1:8099
 pass=smoke
+
+# Dates are relative, never literal. A hardcoded one turns into "some day in
+# the past" at the next midnight, and the assertions quietly start meaning
+# something else.
+d0=$(date +%F)
+d1=$(date -d yesterday +%F)
 tmp=$(mktemp -d)
 trap 'kill ${srv:-0} 2>/dev/null || true; rm -rf "$tmp"' EXIT
 
@@ -134,51 +140,53 @@ check "picking a dish opens the sides step" \
 
 check "saving redirects back to the day" \
 	"$(curl -s -o /dev/null -w '%{http_code}' -u ":$pass" \
-		-d "pvm=2026-09-05&ruoka=$ruoka" "http://$addr/kirjaa")" "303"
+		-d "pvm=$d0&ruoka=$ruoka" "http://$addr/kirjaa")" "303"
 
 check "the saved day shows what was eaten" \
-	"$(curl -s -u ":$pass" "http://$addr/?pvm=2026-09-05")" "kirjattu"
+	"$(curl -s -u ":$pass" "http://$addr/?pvm=$d0")" "kirjattu"
 
 # The selected day expands inside the list rather than in a panel above it,
 # so the rows below do not shift when one is tapped.
-day=$(curl -s -u ":$pass" "http://$addr/?pvm=2026-09-05")
+day=$(curl -s -u ":$pass" "http://$addr/?pvm=$d0")
 check "the selected day expands in place" "$day" 'class="open"'
 check "and stays in the list rather than being lifted out" "$day" "kirjattu"
 
 # ---- the day list patches in place instead of navigating ----------------
 
-dayp=$(curl -s -u ":$pass" -H 'Datastar-Request: true' "http://$addr/paiva?pvm=2026-09-05")
+dayp=$(curl -s -u ":$pass" -H 'Datastar-Request: true' "http://$addr/paiva?pvm=$d0")
 check "opening a day patches the list" "$dayp" 'id="paivat"'
 refute "and returns a fragment, not a page" "$dayp" "<html"
 
 check "picking a dish patches to the sides step" \
 	"$(curl -s -u ":$pass" -H 'Datastar-Request: true' \
-		"http://$addr/paiva?pvm=2026-09-05&ruoka=$ruoka")" "Tallenna"
+		"http://$addr/paiva?pvm=$d0&ruoka=$ruoka")" "Tallenna"
 
 check "saving from Datastar patches back" \
 	"$(curl -s -u ":$pass" -H 'Datastar-Request: true' \
-		-d "pvm=2026-09-04&ruoka=$ruoka" "http://$addr/kirjaa")" 'id="paivat"'
+		-d "pvm=$d1&ruoka=$ruoka" "http://$addr/kirjaa")" 'id="paivat"'
 
 check "deleting from Datastar patches back" \
 	"$(curl -s -u ":$pass" -H 'Datastar-Request: true' \
-		-d "pvm=2026-09-04" "http://$addr/poista")" 'id="paivat"'
+		-d "pvm=$d1" "http://$addr/poista")" 'id="paivat"'
 
 # Without the header it must still redirect, for no JavaScript.
 check "a plain save still redirects to the day" \
 	"$(curl -s -o /dev/null -w '%{redirect_url}' -u ":$pass" \
-		-d "pvm=2026-09-04&ruoka=$ruoka" "http://$addr/kirjaa")" "pvm=2026-09-04"
+		-d "pvm=$d1&ruoka=$ruoka" "http://$addr/kirjaa")" "pvm=$d1"
 
 # Deleting a logged meal drops the row outright, so it asks first.
-saved=$(curl -s -u ":$pass" "http://$addr/?pvm=2026-09-05&poista=1")
+saved=$(curl -s -u ":$pass" "http://$addr/?pvm=$d0&poista=1")
 check "deleting a meal asks first" "$saved" "Poistetaanko merkintä?"
-refute "and does not delete while asking" "$saved" "Ei merkintää"
+# Assert the entry is still shown, rather than that no gap row exists anywhere
+# on the page: other days are legitimately unlogged and render their own.
+check "and the entry is still there while asking" "$saved" "kirjattu"
 
 check "deleting redirects back" \
 	"$(curl -s -o /dev/null -w '%{http_code}' -u ":$pass" \
-		-d "pvm=2026-09-05" "http://$addr/poista")" "303"
+		-d "pvm=$d0" "http://$addr/poista")" "303"
 
 check "the day is empty again" \
-	"$(curl -s -u ":$pass" "http://$addr/?pvm=2026-09-05")" "Etsi"
+	"$(curl -s -u ":$pass" "http://$addr/?pvm=$d0")" "Etsi"
 
 check "search filters the board" \
 	"$(curl -s -u ":$pass" "http://$addr/?haku=keitto")" "keitto"