diff --git a/python-cryptography.spec b/python-cryptography.spec
index a9b11f6..e54b64f 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -93,7 +93,7 @@ functions.
 %build
 export CARGO_NET_OFFLINE=true
 export CARGO_PROFILE_RELEASE_DEBUG=true
-export CARGO_PROFILE_SPLIT_DEBUGINFO=off
+export CARGO_PROFILE_RELEASE_SPLIT_DEBUGINFO=off
 cd src/rust
 tar xfv %{S:2}
 rm -v Cargo.lock