diff --git a/hw/kdrive/src/kdrive.c b/hw/kdrive/src/kdrive.c
index 2c649409e..f6cc351cd 100644
--- a/hw/kdrive/src/kdrive.c
+++ b/hw/kdrive/src/kdrive.c
@@ -253,7 +253,7 @@ Bool	kdDumbDriver;
 Bool	kdSoftCursor;
 
 char *
-KdParseFindNext (char *cur, char *delim, char *save, char *last)
+KdParseFindNext (char *cur, const char *delim, char *save, char *last)
 {
     while (*cur && !strchr (delim, *cur))
     {
diff --git a/hw/kdrive/src/kdrive.h b/hw/kdrive/src/kdrive.h
index 9ac5a19d7..be884ab05 100644
--- a/hw/kdrive/src/kdrive.h
+++ b/hw/kdrive/src/kdrive.h
@@ -424,7 +424,7 @@ KdKeyboardInfo *
 KdParseKeyboard (char *arg);
 
 char *
-KdParseFindNext (char *cur, char *delim, char *save, char *last);
+KdParseFindNext (char *cur, const char *delim, char *save, char *last);
 
 void
 KdParseRgba (char *rgba);