diff --git a/mastoposter/filters/__init__.py b/mastoposter/filters/__init__.py
index 1529238..45d14d0 100644
--- a/mastoposter/filters/__init__.py
+++ b/mastoposter/filters/__init__.py
@@ -1,7 +1,7 @@
 from typing import List
 
 from mastoposter.types import Status
-from .base import FilterInstance  # NOQA
+from .base import FilterInstance
 from mastoposter.filters.boost import BoostFilter  # NOQA
 from mastoposter.filters.combined import CombinedFilter  # NOQA
 from mastoposter.filters.mention import MentionFilter  # NOQA
diff --git a/mastoposter/filters/boost.py b/mastoposter/filters/boost.py
index f156bdb..687b60b 100644
--- a/mastoposter/filters/boost.py
+++ b/mastoposter/filters/boost.py
@@ -10,7 +10,7 @@ class BoostFilter(BaseFilter, filter_name="boost"):
         self.list = section.get("list", "").split()
 
     @classmethod
-    def check_account(cls, acct: str, mask: str):
+    def check_account(cls, acct: str, mask: str) -> bool:
         return fnmatch(acct, mask)
 
     def __call__(self, status: Status) -> bool:
@@ -20,7 +20,7 @@ class BoostFilter(BaseFilter, filter_name="boost"):
             return True
         return any(
             [
-                self.check_account(status.reblog.account.acct, mask)
+                self.check_account("@" + status.reblog.account.acct, mask)
                 for mask in self.list
             ]
         )
diff --git a/mastoposter/filters/mention.py b/mastoposter/filters/mention.py
index 28e75c1..8ba70e4 100644
--- a/mastoposter/filters/mention.py
+++ b/mastoposter/filters/mention.py
@@ -14,8 +14,8 @@ class MentionFilter(BaseFilter, filter_name="mention"):
         self.list = section.get("list", "").split()
 
     @classmethod
-    def check_account(cls, acct: str, mask: str):
-        return fnmatch(acct, mask)
+    def check_account(cls, acct: str, mask: str) -> bool:
+        return fnmatch("@" + acct, mask)
 
     def __call__(self, status: Status) -> bool:
         if not self.list and status.mentions:
diff --git a/mastoposter/filters/spoiler.py b/mastoposter/filters/spoiler.py
index 2d0f5df..6e23fcd 100644
--- a/mastoposter/filters/spoiler.py
+++ b/mastoposter/filters/spoiler.py
@@ -7,7 +7,7 @@ from mastoposter.types import Status
 class SpoilerFilter(BaseFilter, filter_name="spoiler"):
     def __init__(self, section: SectionProxy):
         super().__init__(section)
-        self.regexp: Pattern = regexp(section["regexp"])
+        self.regexp: Pattern = regexp(section.get("regexp", "^.*$"))
 
     def __call__(self, status: Status) -> bool:
         return self.regexp.match(status.spoiler_text) is not None
diff --git a/mastoposter/filters/text.py b/mastoposter/filters/text.py
index 12c09ee..7ced4ec 100644
--- a/mastoposter/filters/text.py
+++ b/mastoposter/filters/text.py
@@ -16,7 +16,7 @@ class TextFilter(BaseFilter, filter_name="content"):
 
         if self.mode == "regexp":
             self.regexp = regexp(section["regexp"])
-        elif self.mode == "hashtag":
+        elif self.mode in ("hashtag", "tag"):
             self.tags = set(section["tags"].split())
         else:
             raise ValueError(f"Invalid filter mode {self.mode}")
@@ -46,6 +46,7 @@ class TextFilter(BaseFilter, filter_name="content"):
                 is not None
             )
         elif self.tags:
+            print(f"{self.tags=} {source.tags=}")
             return len(self.tags & {t.name for t in source.tags}) > 0
         else:
             raise ValueError("Neither regexp or tags were set. Why?")