diff --git a/prospr/__init__.py b/prospr/__init__.py
index 0f4e85a..8a94e48 100644
--- a/prospr/__init__.py
+++ b/prospr/__init__.py
@@ -1,3 +1,5 @@
+from pathlib import Path
+
 from prospr_core import (
     AminoAcid,
     Protein,
@@ -9,7 +11,7 @@
 from .visualize import plot_protein
 
 # Import __version__ from _version.py during compile time.
-exec(open("prospr/_version.py").read())
+exec(open(Path(__file__).parent.absolute() / "_version.py").read())
 
 __all__ = [
     "__version__",