diff --git a/common/utils/T/tracer/gui/x.c b/common/utils/T/tracer/gui/x.c
index 94448eb666..9c7456b5cd 100644
--- a/common/utils/T/tracer/gui/x.c
+++ b/common/utils/T/tracer/gui/x.c
@@ -141,7 +141,7 @@ x_image *x_create_image(x_connection *_x, unsigned char *data,
   ret = calloc(1, sizeof(struct x_image)); if (ret == NULL) OOM;
 
   template.class = TrueColor;
-  template.depth = 24;
+  template.depth = 32;
   template.red_mask = 0xff0000;
   template.green_mask = 0x00ff00;
   template.blue_mask = 0x0000ff;