diff --git a/fish/nix.fish b/fish/nix.fish
index f554ed5..c8298dd 100644
--- a/fish/nix.fish
+++ b/fish/nix.fish
@@ -22,6 +22,11 @@ if test -f $HOME/.ripgreprc
     set -gx RIPGREP_CONFIG_PATH $HOME/.ripgreprc
 end
 
+# don't use TPM abrmd
+if test -e /dev/tpmrm0
+    set -gx TPM2_PKCS11_TCTI device:/dev/tpmrm0
+end
+
 function launch
     true && $argv & && disown && exit
 end