diff --git a/test/segments/rust_version.spec b/test/segments/rust_version.spec
index 8eea31dc..a9668671 100755
--- a/test/segments/rust_version.spec
+++ b/test/segments/rust_version.spec
@@ -19,7 +19,7 @@ function testRust() {
   alias rustc=mockRust
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(rust_version)
 
-  assertEquals "%K{darkorange} %F{black}Rust 0.4.1a-alpha %k%F{darkorange}%f " "$(build_left_prompt)"
+  assertEquals "%K{208} %F{black}Rust 0.4.1a-alpha %k%F{darkorange}%f " "$(build_left_prompt)"
 
   unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   unalias rustc