diff --git a/lmc/config.py b/lmc/config.py
index d79e9fd..241a189 100644
--- a/lmc/config.py
+++ b/lmc/config.py
@@ -37,7 +37,7 @@
 IGNORE_DIRS = {
     ".git", "node_modules", "vendor", ".venv", "venv", "dist", "build",
     "__pycache__", ".idea", ".vscode", "target", "bower_components",
-    "storage", "var", "cache",
+    "storage", "var", "cache", ".worktrees", ".phpstan",
 }
 
 CONFIG_NAME = "lumos.yml"
diff --git a/lmc/joern.py b/lmc/joern.py
index e338545..3b5ae6a 100644
--- a/lmc/joern.py
+++ b/lmc/joern.py
@@ -31,6 +31,8 @@
 DEFAULT_EXCLUDES = (
     "vendor", "node_modules", ".venv", "venv", "__pycache__",
     "storage", "public", "dist", "build", "target", ".git",
+    ".worktrees",  # git worktrees: ganze Zweit-Checkouts, sonst kommt jeder Treffer n-fach
+    ".phpstan",  # PHPStan-Cache: resultCache.php wird zweistellig MB gross -> OOM beim Einlesen
 )
 
 # ponytail: joern-parse kennt kein --exclude, und was nach --frontend-args kommt,
diff --git a/lmc/server/graph.py b/lmc/server/graph.py
index ad99e29..c89e26d 100644
--- a/lmc/server/graph.py
+++ b/lmc/server/graph.py
@@ -337,7 +337,7 @@ def _walk(node, src, file, idx, def_stack):
 _IGNORE = {
     ".git", "node_modules", "vendor", ".venv", "venv", "dist", "build",
     "__pycache__", ".idea", ".vscode", "target", "bower_components",
-    "storage", "var", "cache", "__pycache__",
+    "storage", "var", "cache", "__pycache__", ".worktrees", ".phpstan",
 }
 
 _LANG_EXTS = {