diff --git a/docker-compose.yml b/docker-compose.yml
index 7d4f8958..c5294f18 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -355,8 +355,10 @@ services:
     healthcheck:
       # Process-liveness (like the Tari node) rather than a gRPC probe: the wallet's own gRPC is a
       # long stream, and a liveness ps is enough to catch a crashed daemon. '[m]' stops grep matching
-      # its own argv. The long start_period tolerates the first-run blockchain scan.
-      test: ["CMD-SHELL", "ps | grep '[m]inotari_console_wallet' || exit 1"]
+      # its own argv. The long start_period tolerates the first-run blockchain scan. The pattern is
+      # capped at 15 chars — procps' ps truncates the CMD column there, so the full binary name
+      # 'minotari_console_wallet' can never match (#777).
+      test: ["CMD-SHELL", "ps | grep '[m]inotari_consol' || exit 1"]
       interval: 30s
       timeout: 5s
       retries: 3
diff --git a/tests/stack/test_compose.sh b/tests/stack/test_compose.sh
index f04edce6..a16c5dc7 100755
--- a/tests/stack/test_compose.sh
+++ b/tests/stack/test_compose.sh
@@ -283,6 +283,11 @@ jq_assert "exactly 4 service_healthy depends_on edges total (#565)" \
     '[.services[] | (.depends_on // {}) | to_entries[] | select(.value.condition == "service_healthy")] | length == 4'
 jq_assert "exactly 5 depends_on edges total (#565)" \
     '[.services[] | (.depends_on // {}) | to_entries[]] | length == 5'
+# The wallet probe must fit ps's 15-char CMD column — procps truncates CMD there, so the full
+# binary name never matches and the container would report unhealthy forever while the wallet
+# runs fine (#777). Asserted here because tari-wallet only renders under tari_payout_confirm.
+jq_assert "tari-wallet healthcheck pattern survives ps CMD truncation (#777)" \
+    '(.services["tari-wallet"].healthcheck.test | tostring) | contains("[m]inotari_consol") and (contains("[m]inotari_console_wallet") | not)'
 # Restore $JSON to the default-profile render for every check below this point.
 JSON="$(docker compose --env-file "$ENV_FILE" -f "$ROOT/docker-compose.yml" config --format json 2>/dev/null)"