diff --git a/common.py b/common.py
index e0a7709..edf9e4b 100755
--- a/common.py
+++ b/common.py
@@ -201,8 +201,8 @@ class SinqMotor(Motor):
 
         def check(enable_rbv):
             if wait_for_enabling:
-                return enable_rbv != 0
-            return enable_rbv == 0
+                return enable_rbv == 0
+            return enable_rbv != 0
 
         now = time.time()
         while check(self.read_field('enable_rbv')):