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-rwxr-xr-xsrc/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
index cc0c658aabd..f5c426a717f 100755
--- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh
@@ -30,7 +30,7 @@ python3 "$X_PY" test --stage 2 src/tools/rustfmt
 # We set the GC interval to the shortest possible value (0 would be off) to increase the chance
 # that bugs which only surface when the GC runs at a specific time are more likely to cause CI to fail.
 # This significantly increases the runtime of our test suite, or we'd do this in PR CI too.
-if [[ -z "${PR_CI_JOB:-}" ]]; then
+if [ -z "${PR_CI_JOB:-}" ]; then
     MIRIFLAGS=-Zmiri-provenance-gc=1 python3 "$X_PY" test --stage 2 src/tools/miri
 else
     python3 "$X_PY" test --stage 2 src/tools/miri