diff --git a/C/computils.c b/C/computils.c
index 35629d4a0..bfba8e5f7 100755
--- a/C/computils.c
+++ b/C/computils.c
@@ -414,7 +414,7 @@ write_address(CELL address)
 #if HAVE_SNPRINTF
     snprintf(buf,32,"%p",(void *)address);
 #else
-    snprintf(buf,"%p",(void *)address);
+    sprintf(buf,"%p",(void *)address);
 #endif
     p[31] = '\0'; /* so that I don't have to worry */
     Yap_DebugErrorPutc('0');