diff --git a/configure b/configure
index f8db0f1..e717e31 100755
--- a/configure
+++ b/configure
@@ -436,11 +436,11 @@ else
 fi
   
 if test_code '<stdint.h>' 'stdint.h' '' '' ''; then
-  add_def HAS_STDINT_H
+  add_def HAVE_STDINT_H
 fi
 
 if test_code '<inttypes.h>' 'inttypes.h' '' '' ''; then
-  add_def HAS_INTTYPES_H
+  add_def HAVE_INTTYPES_H
 fi
 
 if [ $feat_ipv6 = "1" ] && \
diff --git a/sysincl.h b/sysincl.h
index 2ecccb7..adf1997 100644
--- a/sysincl.h
+++ b/sysincl.h
@@ -62,9 +62,9 @@
 #include <syslog.h>
 #include <time.h>
 
-#ifdef HAS_INTTYPES_H
+#ifdef HAVE_INTTYPES_H
 #include <inttypes.h>
-#elif HAS_STDINT_H
+#elif HAVE_STDINT_H
 #include <stdint.h>
 #else
 /* Tough */