diff --git a/audiblez/core.py b/audiblez/core.py
index 4830481..4614e13 100755
--- a/audiblez/core.py
+++ b/audiblez/core.py
@@ -40,10 +40,18 @@ def load_spacy():
 def set_espeak_library():
     """Find the espeak library path"""
     try:
+
         if os.environ.get('ESPEAK_LIBRARY'):
             library = os.environ['ESPEAK_LIBRARY']
         elif platform.system() == 'Darwin':
-            library = glob('/opt/homebrew/Cellar/espeak-ng/*/lib/*.dylib')[0]
+            from subprocess import check_output
+            try:
+                cellar = Path(check_output(["brew", "--cellar"], text=True).strip())
+                pattern = cellar / "espeak-ng" / "*" / "lib" / "*.dylib"
+                if not (library := next(iter(glob(str(pattern))), None)):
+                    raise RuntimeError("No espeak-ng library found; please set the path manually")
+            except (subprocess.CalledProcessError, FileNotFoundError) as e:
+                raise RuntimeError("Cannot locate Homebrew Cellar. Is 'brew' installed and in PATH?") from e
         elif platform.system() == 'Linux':
             library = glob('/usr/lib/*/libespeak-ng*')[0]
         elif platform.system() == 'Windows':