diff --git a/configure b/configure
index e0050ad556..b91aa76595 100755
--- a/configure
+++ b/configure
@@ -50572,6 +50572,10 @@ fi
 if test "$wxUSE_TASKBARICON" = "yes"; then
     cat >>confdefs.h <<\_ACEOF
 #define wxUSE_TASKBARICON 1
+_ACEOF
+
+                cat >>confdefs.h <<\_ACEOF
+#define wxUSE_TASKBARICON_BALLOONS 1
 _ACEOF
 
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS taskbar"
diff --git a/configure.in b/configure.in
index 1423cbb8d7..613a505c6c 100644
--- a/configure.in
+++ b/configure.in
@@ -7225,6 +7225,10 @@ fi
 
 if test "$wxUSE_TASKBARICON" = "yes"; then
     AC_DEFINE(wxUSE_TASKBARICON)
+    dnl This is used under MSW, just enable it always without testing for the
+    dnl toolkit nor providing a separate option for it because it's totally
+    dnl harmless to have it defined even if it's unnecessary.
+    AC_DEFINE(wxUSE_TASKBARICON_BALLOONS)
     SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS taskbar"
 fi