diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..6e4f5d2
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.h text eol=lf
diff --git a/pygit2/_utils.py b/pygit2/_utils.py
index 9c13d9b..3e7c54a 100644
--- a/pygit2/_utils.py
+++ b/pygit2/_utils.py
@@ -79,7 +79,11 @@ def get_ffi():
     ffi = cffi.FFI()
 
     # Load C definitions
-    dir_path = dirname(abspath(inspect.getfile(inspect.currentframe())))
+    if getattr(sys, 'frozen', False):
+        dir_path = dirname(abspath(sys.executable))
+    else:
+        dir_path = dirname(abspath(__file__))
+
     decl_path = os.path.join(dir_path, 'decl.h')
     with codecs.open(decl_path, 'r', 'utf-8') as header:
         ffi.cdef(header.read())