diff --git a/helix.spec b/helix.spec
index 11ea6da..e3e7d39 100644
--- a/helix.spec
+++ b/helix.spec
@@ -94,10 +94,9 @@ sed -e '/^\#\!\/usr\/bin\/env .*/d' -i contrib/completion/hx.*
 
 %build
 export HELIX_DISABLE_AUTO_GRAMMAR_BUILD=true
-export HELIX_RUNTIME="%{_builddir}/%{name}-%{version}/runtime"
 export TARGET="%_arch"
 %{cargo_build}
-./target/release/hx --grammar build
+cargo run --release -- --grammar build
 
 # Shell completions
 sed -i "s|hx|helix|g" contrib/completion/hx.*