diff --git a/meta/classes/cml1.bbclass b/meta/classes/cml1.bbclass
index d429188..678d23c 100644
--- a/meta/classes/cml1.bbclass
+++ b/meta/classes/cml1.bbclass
@@ -10,7 +10,23 @@ addtask configure after do_unpack do_patch before do_compile
 inherit terminal
 
 python do_menuconfig() {
+        try:
+            mtime = os.path.getmtime(".config")
+        except OSError:
+            mtime = 0
+
         oe_terminal("make menuconfig", '${PN} Configuration', d)
+
+        # FIXME this check can be removed when the minimum bitbake version has been bumped
+        if hasattr(bb.build, 'write_taint'):
+            try:
+                newmtime = os.path.getmtime(".config")
+            except OSError:
+                newmtime = 0
+
+            if newmtime > mtime:
+                bb.note("Configuration changed, recompile will be forced")
+                bb.build.write_taint('do_compile', d)
 }
 do_menuconfig[nostamp] = "1"
 addtask menuconfig after do_configure