diff --git a/src/pointers/_cstd.py b/src/pointers/_cstd.py
index dba5de0..c91c39b 100644
--- a/src/pointers/_cstd.py
+++ b/src/pointers/_cstd.py
@@ -24,7 +24,12 @@
     _c_library_name = find_library("c") or "libc.so.6"
 
 dll = ctypes.CDLL(_c_library_name)
-mdll = dll if platform in ("win32", "cygwin") else ctypes.CDLL(find_library("m") or "libm.so.6")
+mdll = dll if platform in ("win32", "cygwin") else ctypes.CDLL(
+    find_library("m") or (
+        "libm.dylib" if platform == "darwin" else "libm.so.6"
+    )
+)
+
 
 class tm(ctypes.Structure):
     _fields_ = [