--- a/taskcluster/ci/toolchain/linux.yml
+++ b/taskcluster/ci/toolchain/linux.yml
@@ -84,17 +84,16 @@ linux64-gcc-4.9:
     worker:
         docker-image: {in-tree: desktop-build}
         max-run-time: 36000
     run:
         using: toolchain-script
         script: build-gcc-4.9-linux.sh
         resources:
             - 'build/unix/build-gcc/build-gcc.sh'
-        toolchain-alias: linux64-gcc
         toolchain-artifact: public/build/gcc.tar.xz
 
 linux64-gcc-6:
     description: "GCC 6 toolchain build"
     treeherder:
         kind: build
         platform: toolchains/opt
         symbol: TL(gcc6)
@@ -103,16 +102,17 @@ linux64-gcc-6:
     worker:
         docker-image: {in-tree: desktop-build}
         max-run-time: 36000
     run:
         using: toolchain-script
         script: build-gcc-6-linux.sh
         resources:
             - 'build/unix/build-gcc/build-gcc.sh'
+        toolchain-alias: linux64-gcc
         toolchain-artifact: public/build/gcc.tar.xz
 
 linux64-binutils:
     description: "Binutils toolchain build"
     treeherder:
         kind: build
         platform: toolchains/opt
         symbol: TL(binutil)