diff --git a/pkgs/development/python-modules/py3nvml/default.nix b/pkgs/development/python-modules/py3nvml/default.nix
index 7e20245990b6..509e6ab9714f 100644
--- a/pkgs/development/python-modules/py3nvml/default.nix
+++ b/pkgs/development/python-modules/py3nvml/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage (finalAttrs: {
 
   postPatch = ''
     substituteInPlace py3nvml/py3nvml.py \
-      --replace-fail "libnvidia-ml.so.1" "${addDriverRunpath.driverLink}/lib/libnvidia-ml-so.1"
+      --replace-fail "libnvidia-ml.so.1" "${addDriverRunpath.driverLink}/lib/libnvidia-ml.so.1"
   '';
 
   build-system = [ setuptools ];