diff --git a/libjpeg-turbo-2.1.1/jmorecfg.h b/libjpeg-turbo-2.1.1/jmorecfg.h
index fb3a9cf..1a63a14 100644
--- a/jmorecfg.h
+++ b/jmorecfg.h
@@ -137,6 +137,7 @@ typedef short INT16;
  * same regardless of any external headers that may be included.
  */
 
+#ifndef _LOS_COMPILER_H         /* LiteOS-M defines INT32 in los_compiler.h */
 #ifndef XMD_H                   /* X11/xmd.h correctly defines INT32 */
 #ifndef _BASETSD_H_             /* Microsoft defines it in basetsd.h */
 #ifndef _BASETSD_H              /* MinGW is slightly different */
@@ -146,6 +147,7 @@ typedef long INT32;
 #endif
 #endif
 #endif
+#endif
 
 /* Datatype used for image dimensions.  The JPEG standard only supports
  * images up to 64K*64K due to 16-bit fields in SOF markers.  Therefore