diff --git a/src/pendulum/duration.py b/src/pendulum/duration.py
index a4875fca..1e209334 100644
--- a/src/pendulum/duration.py
+++ b/src/pendulum/duration.py
@@ -273,8 +273,8 @@ def in_words(self, locale: str | None = None, separator: str = " ") -> str:
 
         if not parts:
             count: int | str = 0
-            if abs(self.microseconds) > 0:
-                unit = f"units.second.{loaded_locale.plural(1)}"
+            if self.microseconds != 0:
+                unit = f"units.second.{loaded_locale.plural(0)}"
                 count = f"{abs(self.microseconds) / 1e6:.2f}"
             else:
                 unit = f"units.microsecond.{loaded_locale.plural(0)}"
diff --git a/tests/duration/test_in_words.py b/tests/duration/test_in_words.py
index c0a1a1fe..13982c33 100644
--- a/tests/duration/test_in_words.py
+++ b/tests/duration/test_in_words.py
@@ -62,12 +62,11 @@ def test_separator():
 def test_subseconds():
     pi = pendulum.duration(microseconds=123456)
 
-    assert pi.in_words() == "0.12 second"
+    assert pi.in_words() == "0.12 seconds"
 
 
 def test_subseconds_with_seconds():
     pi = pendulum.duration(seconds=12, microseconds=123456)
-
     assert pi.in_words() == "12 seconds"