diff --git a/testing/testings.c b/testing/testings.c
index 560e398e8d13f47f87fd5f174a2e3f252a9dadad..670ebb75e91600e8aa476e723b4651e88c8c5dcb 100644
--- a/testing/testings.c
+++ b/testing/testings.c
@@ -107,6 +107,8 @@ testing_options_init( testing_options_t *options )
     options->splitsub  = parameters_getvalue_int( "splitsub" );
     options->threads   = parameters_getvalue_int( "threads" );
     options->trace     = parameters_getvalue_int( "trace" );
+#else
+    options->threads   = -1;
 #endif
 
     options->file = parameters_getvalue_str( "file" );