diff --git a/eoldoctor/fixer.py b/eoldoctor/fixer.py
index e1459d3..3e5617b 100644
--- a/eoldoctor/fixer.py
+++ b/eoldoctor/fixer.py
@@ -19,7 +19,7 @@
 TARGET_CRLF = "crlf"
 
 SMART_LF_EXTS = frozenset({".sh", ".bash", ".zsh", ".ksh"})
-SMART_CRLF_EXTS = frozenset({".bat", ".cmd"})
+SMART_CRLF_EXTS = frozenset({".bat", ".cmd", ".ps1", ".psm1", ".psd1"})
 
 #: Extensions we are willing to mark as binary in generated .gitattributes.
 KNOWN_BINARY_EXTS = frozenset(
@@ -35,7 +35,7 @@
 )
 
 FORCE_LF_EXTS = SMART_LF_EXTS
-FORCE_CRLF_EXTS = frozenset({".bat", ".cmd", ".sln"})
+FORCE_CRLF_EXTS = frozenset({".bat", ".cmd", ".sln", ".ps1", ".psm1", ".psd1"})
 
 
 @dataclass
diff --git a/tests/test_powershell_eol.py b/tests/test_powershell_eol.py
new file mode 100644
index 0000000..7edd4f1
--- /dev/null
+++ b/tests/test_powershell_eol.py
@@ -0,0 +1,14 @@
+import unittest
+
+from eoldoctor.filescan import analyze_bytes
+from eoldoctor.fixer import smart_target
+
+
+class PowerShellCRLFTest(unittest.TestCase):
+    def test_ps1_forced_crlf(self):
+        stat = analyze_bytes(b"Write-Host hi\n", path="run.ps1")
+        self.assertEqual(smart_target(stat, "lf", smart=True), "crlf")
+
+    def test_psm1_forced_crlf(self):
+        stat = analyze_bytes(b"function X {}\n", path="mod.psm1")
+        self.assertEqual(smart_target(stat, "lf", smart=True), "crlf")