diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1279560057..cb77aa9927 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@
 - address: fix TypeError when sorting locations containing mixed address types @devs6186 #2195
 - loader: skip PE files with unrealistically large section virtual sizes to prevent resource exhaustion @devs6186 #1989
 - engine/render: fix unbounded range sentinel precedence so `count(...): N or more` uses explicit `((1 << 64) - 1)` @blenbot #2936
+- cache: support *BSD @williballenthin @res2500 #2949
 
 ### capa Explorer Web
 - webui: fix 404 for "View rule in capa-rules" by using encodeURIComponent for rule name in URL @devs6186 #2482
diff --git a/capa/rules/cache.py b/capa/rules/cache.py
index 1a0d0c0261..5488745c44 100644
--- a/capa/rules/cache.py
+++ b/capa/rules/cache.py
@@ -59,7 +59,7 @@ def get_default_cache_directory() -> Path:
     # MacOS:   ~/Library/Caches/capa
 
     # ref: https://stackoverflow.com/a/8220141/87207
-    if sys.platform == "linux" or sys.platform == "linux2":
+    if sys.platform.startswith(("linux", "freebsd", "openbsd", "netbsd", "dragonfly")):
         directory = Path(os.environ.get("XDG_CACHE_HOME", Path.home() / ".cache" / "capa"))
     elif sys.platform == "darwin":
         directory = Path.home() / "Library" / "Caches" / "capa"