diff --git a/c/src/libchip/ChangeLog b/c/src/libchip/ChangeLog
index d7702742e7..5ae82e46a2 100644
--- a/c/src/libchip/ChangeLog
+++ b/c/src/libchip/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-04	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+	* network/i82586.c: Include <string.h>.
+	* network/sonic.c: Ditto.
+
 2002-04-01	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* configure.ac: AC_DEFINE(CPU_U32_FIX) for sparc.
diff --git a/c/src/libchip/network/i82586.c b/c/src/libchip/network/i82586.c
index d74d91c8a2..e4dab5121b 100644
--- a/c/src/libchip/network/i82586.c
+++ b/c/src/libchip/network/i82586.c
@@ -153,6 +153,7 @@ Mode of operation:
 
 #include <ctype.h>
 #include <stdio.h>
+#include <string.h>
 
 #include <sys/param.h>
 #include <sys/mbuf.h>
diff --git a/c/src/libchip/network/sonic.c b/c/src/libchip/network/sonic.c
index 26a3ac79cf..093cc0d0b3 100644
--- a/c/src/libchip/network/sonic.c
+++ b/c/src/libchip/network/sonic.c
@@ -38,6 +38,7 @@
 #include <libchip/sonic.h>
 
 #include <stdio.h>
+#include <string.h>
 
 #include <errno.h>
 #include <rtems/error.h>