1 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/development/libraries/science/math/cudnn/default.nix b/pkgs/development/libraries/science/math/cudnn/default.nix
index 1a98ecc87436..c89e9e4296cf 100644
--- a/pkgs/development/libraries/science/math/cudnn/default.nix
+++ b/pkgs/development/libraries/science/math/cudnn/default.nix
@@ -9,10 +9,11 @@ in
 
 {
   cudnn_cudatoolkit_7 = generic rec {
-    version = "4.0";
+    # Old URL is v4 instead of v4.0 for some reason...
+    version = "4";
     cudatoolkit = cudatoolkit_7;
-    srcName = "cudnn-${cudatoolkit.majorVersion}-linux-x64-v${version}-prod.tgz";
-    sha256 = "0zgr6qdbc29qw6sikhrh6diwwz7150rqc8a49f2qf37j2rvyyr2f";
+    srcName = "cudnn-${cudatoolkit.majorVersion}-linux-x64-v4.0-prod.tgz";
+    sha256 = "01a4v5j4v9n2xjqcc4m28c3m67qrvsx87npvy7zhx7w8smiif2fd";
   };
 
   cudnn_cudatoolkit_7_5 = generic rec {