diff --git a/libvips/foreign/jxlload.c b/libvips/foreign/jxlload.c
index 0e6427bd..521d6de2 100644
--- a/libvips/foreign/jxlload.c
+++ b/libvips/foreign/jxlload.c
@@ -35,8 +35,8 @@
 
 /*
 #define DEBUG_VERBOSE
- */
 #define DEBUG
+ */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
diff --git a/libvips/foreign/jxlsave.c b/libvips/foreign/jxlsave.c
index cdad4049..ddd84f92 100644
--- a/libvips/foreign/jxlsave.c
+++ b/libvips/foreign/jxlsave.c
@@ -34,8 +34,8 @@
  */
 
 /*
- */
 #define DEBUG
+ */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>