diff --git a/nixpkgs/toolchains/cc.nix b/nixpkgs/toolchains/cc.nix
index e2c766a..17ced5b 100644
--- a/nixpkgs/toolchains/cc.nix
+++ b/nixpkgs/toolchains/cc.nix
@@ -68,7 +68,7 @@ in
       # Determine toolchain tool paths.
       #
       # If a tool is not available then we use `bin/false` as a stand-in.
-      declare -A TOOLS=( [ar]=ar [cpp]=cpp [dwp]=dwp [gcc]=cc [gcov]=gcov [ld]=ld [nm]=nm [objcopy]=objcopy [objdump]=objdump [strip]=strip )
+      declare -A TOOLS=( [ar]=ar [cpp]=cpp [dwp]=dwp [gcc]=cc [gcov]=gcov [llvm-cov]=llvm-cov [ld]=ld [nm]=nm [objcopy]=objcopy [objdump]=objdump [strip]=strip )
       TOOL_NAMES=(''${!TOOLS[@]})
       declare -A TOOL_PATHS=()
       for tool_name in ''${!TOOLS[@]}; do