diff --git a/sched/plan_class_spec.cpp b/sched/plan_class_spec.cpp
index 1332e9993d..ed8cc0aaaa 100644
--- a/sched/plan_class_spec.cpp
+++ b/sched/plan_class_spec.cpp
@@ -60,7 +60,7 @@ static double os_version_num(HOST h) {
     return 0;
 }
 
-// parse "Android 4.3.1" or "Android 4.3"
+// parse version# from "(Android 4.3.1)" or "(Android 4.3)" or "(Android 4)"
 //
 static int android_version_num(HOST h) {
     int maj, min, rel;
@@ -75,6 +75,10 @@ static int android_version_num(HOST h) {
     if (n == 2) {
         return maj*10000 + min*100;
     }
+    n = sscanf(p, "%d", &maj);
+    if (n == 1) {
+        return maj*10000;
+    }
     return 0;
 }