diff --git a/utils/set.c b/utils/set.c
index 99b3c93e..fade49fe 100644
--- a/utils/set.c
+++ b/utils/set.c
@@ -172,7 +172,7 @@ SetNoisyBool(parm,valueS,file)
 void
 SetNoisyDI(parm,valueS,file)
     dlong *parm;		/* BY NP */
-    char *valueS;
+    const char *valueS;
     FILE *file;
 {
     /* If value not null, set parm */
diff --git a/utils/utils.h b/utils/utils.h
index 9059022e..52d4f484 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -73,7 +73,7 @@ extern void ForkChildAdd();
 extern int  PaEnum(const char *path, const char *file, int (*proc)(), ClientData cdata);
 extern int  paVisitProcess();
 extern void SetNoisyInt(int *parm, const char *valueS, FILE *file);
-extern void SetNoisyDI();
+extern void SetNoisyDI(dlong *parm, const char *valueS, FILE *file);
 extern bool ParsSplit();
 
 #ifdef HAVE_ZLIB