diff --git a/libcpu/ia32/__udivsi3.c b/libcpu/ia32/__udivsi3.c
index dfcf5325ffc600a355c6eb111171f758fc39e36f..a62228a0090b6af0e39af620bde96969c618995a 100644
--- a/libcpu/ia32/__udivsi3.c
+++ b/libcpu/ia32/__udivsi3.c
@@ -15,7 +15,7 @@
 #include <rtthread.h>
 
 typedef rt_uint32_t uint32_t;
-typedef rt_int32 int32_t;
+typedef rt_int32_t int32_t;
 
 uint32_t __udivsi3(uint32_t num, uint32_t den)
 {
diff --git a/libcpu/ia32/__umodsi3.c b/libcpu/ia32/__umodsi3.c
index 2bb0c677b75f1b913b85c5330c429389cf6a20d2..fde56f97cda30106d64eb966d6a52c15bf49cf18 100644
--- a/libcpu/ia32/__umodsi3.c
+++ b/libcpu/ia32/__umodsi3.c
@@ -15,7 +15,7 @@
 #include <rtthread.h>
 
 typedef rt_uint32_t uint32_t;
-typedef rt_int32 int32_t;
+typedef rt_int32_t int32_t;
 
 uint32_t __umodsi3(uint32_t num, uint32_t den)
 {