diff --git a/src/include/switch_platform.h b/src/include/switch_platform.h
index 501dfbab31..70450d1531 100644
--- a/src/include/switch_platform.h
+++ b/src/include/switch_platform.h
@@ -275,7 +275,7 @@ typedef intptr_t switch_ssize_t;
 
 #endif
 
-#ifdef __sun
+#if defined(__sun__) && defined(__x86_64)
 #define SWITCH_TIME_T_FMT SWITCH_SIZE_T_FMT
 #else
 #define SWITCH_TIME_T_FMT SWITCH_INT64_T_FMT