diff --git a/rust.changes b/rust.changes
index e5643a5..f504988 100644
--- a/rust.changes
+++ b/rust.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Feb 24 09:40:06 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Avoid bash-specific syntax in "test" call.
+
 -------------------------------------------------------------------
 Sun Feb 24 01:52:06 UTC 2019 - Luke Jones <jones_ld@protonmail.com>
 
diff --git a/rust.spec b/rust.spec
index 435bac9..8bf0f19 100644
--- a/rust.spec
+++ b/rust.spec
@@ -404,7 +404,7 @@ sed -i '1s|^|#!/bin/bash\n|' src/stdsimd/ci/run-docker.sh
 
 # Sometimes we may be rebuilding with the same compiler,
 # setting local-rebuild will skip stage0 build, reducing build time
-if [ $(%{rust_root}/bin/rustc --version | sed -En 's/rustc ([0-9].[0-9][0-9].[0-9]).*/\1/p') == '%{version}' ]; then
+if [ $(%{rust_root}/bin/rustc --version | sed -En 's/rustc ([0-9].[0-9][0-9].[0-9]).*/\1/p') = '%{version}' ]; then
 sed -i -e "s|#local-rebuild = false|local-rebuild = true|" config.toml;
 fi
 
@@ -577,4 +577,4 @@ rm -rf %{buildroot}%{_sysconfdir}
 %dir %{_docdir}/cargo
 %{_docdir}/cargo/html
 
-%changelog
\ No newline at end of file
+%changelog