diff --git a/python/src/Detector.h b/python/src/Detector.h
index ae62149d8..4833772ed 100755
--- a/python/src/Detector.h
+++ b/python/src/Detector.h
@@ -275,7 +275,7 @@ class Detector {
     }
 
     uint64_t getPatternWaitTime(int level, int detPos){
-        det.setPatternWaitTime(level, -1, detPos);
+        return det.setPatternWaitTime(level, -1, detPos);
     }
 
     bool getFlippedDataX(int i) {
diff --git a/python/src/main.cpp b/python/src/main.cpp
index c129330d8..4b67a1aa0 100755
--- a/python/src/main.cpp
+++ b/python/src/main.cpp
@@ -289,6 +289,7 @@ PYBIND11_MODULE(_sls_detector, m) {
 
         .def("setPatternWaitTime", &Detector::setPatternWaitTime,
              py::arg("level"), py::arg("duration"), py::arg("det_id") = -1)
+             
         .def("getPatternWaitTime", &Detector::getPatternWaitTime,
              py::arg("level"), py::arg("det_id") = -1)