1 files changed, 1 insertions, 1 deletions

diff --git a/src/print.c b/src/print.c
index 573b5d3f7d3..a43a774c0f4 100644
--- a/src/print.c
+++ b/src/print.c
@@ -603,7 +603,7 @@ to make it write to the debugging output.\n")
 
 void
 float_to_string (buf, data)
-     char *buf;
+     unsigned char *buf;
      double data;
 {
   register unsigned char *cp, c;