diff --git a/fish/conf.d/rustup.fish b/fish/conf.d/rustup.fish
index e4cb363..1bff9e1 100644
--- a/fish/conf.d/rustup.fish
+++ b/fish/conf.d/rustup.fish
@@ -1 +1,3 @@
-source "$HOME/.cargo/env.fish"
+if [ -f "$HOME/.cargo/env.fish" ]
+    source "$HOME/.cargo/env.fish"
+end