diff --git a/shell.nix b/shell.nix
index 0483f72613..1d5332c702 100644
--- a/shell.nix
+++ b/shell.nix
@@ -23,7 +23,7 @@
 		inputsFrom = [ drv ];
 		shellHook = ''
 			export BIZHAWKBUILD_HOME='${builtins.toString ./.}'
-			export BIZHAWK_HOME="$BIZHAWKBUILD_HOME/output"
+			export BIZHAWK_HOME="$BIZHAWKBUILD_HOME/output/"
 			ldLibPath='${lib.makeLibraryPath drv.buildInputs}' # for running tests
 			if [ -z "$LD_LIBRARY_PATH" ]; then
 				export LD_LIBRARY_PATH="$ldLibPath"