diff --git a/tests/cputest.c b/tests/cputest.c
index f68a3ec8f1..c374ddf5ec 100644
--- a/tests/cputest.c
+++ b/tests/cputest.c
@@ -700,7 +700,7 @@ mymain(void)
         }                                                               \
     } while (0)
 #else
-# define DO_TEST_CPUID_JSON(arch, host)
+# define DO_TEST_CPUID_JSON(arch, host, json)
 #endif
 
 #define DO_TEST_CPUID(arch, host, json)                                 \