diff --git a/mise.toml b/mise.toml
index 7919c8bbff..d2edde879b 100644
--- a/mise.toml
+++ b/mise.toml
@@ -25,7 +25,7 @@ java = "21.0.2"
 [tools."github:CQLabs/homebrew-dcm"]
 version = "1.37.0"
 bin = "dcm"
-postinstall = "chmod +x \"$MISE_TOOL_INSTALL_PATH/dcm\" || true"
+postinstall = "chmod +x {{ get_env(name='MISE_TOOL_INSTALL_PATH',default='') }}/dcm"
 
 [tools."github:jellyfin/jellyfin-ffmpeg"]
 version = "7.1.3-6"