--- a/tests/ssl_gtests/ssl_gtests.sh
+++ b/tests/ssl_gtests/ssl_gtests.sh
@@ -169,17 +169,17 @@ ssl_gtest_start()
     echo "DEBUG: Falling back to legacy XML report parsing using only sed"
     parse_report_legacy
   fi
 }
 
 # Helper function used when 'parallel' isn't available.
 parallel_fallback()
 {
-  eval ${*//\{\}/0}
+  eval "${@//\{\}/0}"
 }
 
 parse_report()
 {
   # Check XML reports for normal test runs and failures.
   local successes=$(parse_report_xpath "//testcase[@status='run'][count(*)=0]")
   local failures=$(parse_report_xpath "//failure/..")