diff --git a/.github/workflows/test_functional.yml b/.github/workflows/test_functional.yml
index c17372105d5..d3a6a38dad3 100644
--- a/.github/workflows/test_functional.yml
+++ b/.github/workflows/test_functional.yml
@@ -119,7 +119,7 @@ jobs:
             "/usr/local/opt/gnu-sed/libexec/gnubin" \
             >> "${GITHUB_PATH}"
           echo \
-            "/usr/local/opt/grep/libexec/gnubin:$PATH" \
+            "/usr/local/opt/grep/libexec/gnubin" \
             >> "${GITHUB_PATH}"
 
           # add coreutils to the bashrc too (for jobs)