diff --git a/components/newlib/include/limits.h b/components/newlib/include/limits.h
index 190f1f783a..633b44593e 100644
--- a/components/newlib/include/limits.h
+++ b/components/newlib/include/limits.h
@@ -142,5 +142,5 @@
 #endif
 
 #ifndef PATH_MAX
-#define PATH_MAX	4096
+#define PATH_MAX	1024
 #endif
diff --git a/components/newlib/include/sys/syslimits.h b/components/newlib/include/sys/syslimits.h
index ba9dbd6674..c0bb3a2ce0 100644
--- a/components/newlib/include/sys/syslimits.h
+++ b/components/newlib/include/sys/syslimits.h
@@ -37,7 +37,7 @@
 #ifndef _SYS_SYSLIMITS_H_
 #define _SYS_SYSLIMITS_H_
 
-#define	ARG_MAX			65536	/* max bytes for an exec function */
+#define	ARG_MAX			 4096	/* max bytes for an exec function */
 #ifndef CHILD_MAX
 #define	CHILD_MAX		   40	/* max simultaneous processes */
 #endif