diff --git a/Utils/run-full-tests.sh b/Utils/run-full-tests.sh
index 39d193353..a77341b3d 100755
--- a/Utils/run-full-tests.sh
+++ b/Utils/run-full-tests.sh
@@ -27,7 +27,7 @@ bold_off="$(tput sgr0)"
 
 spm_flags=""
 
-if [ "$(uname)" == "Darwin" ]; then
+if [ "$(uname)" = "Darwin" ]; then
     swift="xcrun swift"
 else
     swift="swift"