diff --git a/src/testing/fault_injection.c b/src/testing/fault_injection.c
index 84a5c083..a8b69d60 100644
--- a/src/testing/fault_injection.c
+++ b/src/testing/fault_injection.c
@@ -16,7 +16,7 @@
 
 #include "rcutils/stdatomic_helper.h"
 
-static atomic_int_least64_t g_rcutils_fault_injection_count = ATOMIC_VAR_INIT(-1);
+static atomic_int_least64_t g_rcutils_fault_injection_count = {-1};
 
 void rcutils_fault_injection_set_count(int_least64_t count)
 {