diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
index e414bc384f1fb..626841cb1bd12 100644
--- a/src/tools/compiletest/src/header.rs
+++ b/src/tools/compiletest/src/header.rs
@@ -266,7 +266,7 @@ impl TestProps {
             aux_crates: vec![],
             revisions: vec![],
             rustc_env: vec![("RUSTC_ICE".to_string(), "0".to_string())],
-            unset_rustc_env: vec![],
+            unset_rustc_env: vec![("RUSTC_LOG_COLOR".to_string())],
             exec_env: vec![],
             unset_exec_env: vec![],
             build_aux_docs: false,