diff --git a/configure b/configure
index 7758a3151e..7c26c27270 100755
--- a/configure
+++ b/configure
@@ -21992,7 +21992,7 @@ if test "$wxUSE_HTML" = "yes"; then
 #define wxUSE_HTML 1
 EOF
 
-    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html"
+    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html htlbox"
 fi
 
 if test "$wxUSE_VALIDATORS" = "yes"; then
diff --git a/configure.in b/configure.in
index 10b0119f3c..0aef38ea72 100644
--- a/configure.in
+++ b/configure.in
@@ -5232,7 +5232,7 @@ fi
 
 if test "$wxUSE_HTML" = "yes"; then
     AC_DEFINE(wxUSE_HTML)
-    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html"
+    SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html htlbox"
 fi
 
 if test "$wxUSE_VALIDATORS" = "yes"; then