diff --git a/tests/syntax/string_concat.c b/tests/syntax/string_concat.c
index 8073c72f04c4f592b9ff7bde6f90863df3fd80c8..21e443baaba6d00542c5ffcbcf6450fa6e5b7f29 100644
--- a/tests/syntax/string_concat.c
+++ b/tests/syntax/string_concat.c
@@ -1,5 +1,5 @@
 /* run.config*
-TIMEOUT: 45
+TIMEOUT: 10
 OPT: -eva
 */
 
diff --git a/tests/syntax/wstring_concat.c b/tests/syntax/wstring_concat.c
index 4c72ed31cce316e01de8f4a1ad7487f9c8e435e0..3d9cf6e4936c0359c56947d6e55e559052ad8196 100644
--- a/tests/syntax/wstring_concat.c
+++ b/tests/syntax/wstring_concat.c
@@ -1,5 +1,5 @@
 /* run.config*
-TIMEOUT: 45
+TIMEOUT: 10
 OPT: -eva
 */