 src/libqhull/io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libqhull/io.c b/src/libqhull/io.c
index 09a0079..2bd066e 100644
--- a/src/libqhull/io.c
+++ b/src/libqhull/io.c
@@ -2238,7 +2238,7 @@ void qh_printfacet3math(FILE *fp, facetT *facet, qh_PRINT format, int notfirst)
     qh_memfree(point, qh normal_size);
   qh_settempfree(&points);
   qh_settempfree(&vertices);
-  qh_fprintf(fp, 9110, endfmt);
+  fprintf(fp, "%s", endfmt);
 } /* printfacet3math */