diff --git a/configure.ac b/configure.ac
index 05f2e22930d..c8e7c8b982d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2452,7 +2452,7 @@ if test "X${enable_concurrency}" = "Xyes" -a "X$THREADS" = "Xno"; then
 fi
 
 # The concurrency and threadsafe options are mutually exclusive
-if test "X${enable_concurrency}" = "Xyes" -a test "X${enable_threadsafe}" = "Xyes"; then
+if test "X${enable_concurrency}" = "Xyes" -a "X${enable_threadsafe}" = "Xyes"; then
     AC_MSG_ERROR([--enable-threadsafe and --enable-concurrency are mutually exclusive])
 fi