diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index 76c2bbc9a..520034748 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -1277,9 +1277,9 @@ void Detector::setExptime(int gateIndex, ns t, Positions pos) {
 Result<std::array<ns, 3>> Detector::getExptimeForAllGates(Positions pos) const {
     auto t = pimpl->Parallel(&Module::getExptimeForAllGates, pos);
     Result<std::array<ns, 3>> res(t.size());
-    for (unsigned int i = 0; i < t.size(); ++i) {
-        for (unsigned int j = 0; j != 3; ++j) {
-            res[i][j] = static_cast<ns>(t[i][j]);
+    for (size_t i = 0; i < t.size(); ++i) {
+        for (size_t j = 0; j != 3; ++j) {
+            res[i][j] = ns(t[i][j]);
         }
     }
     return res;
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 6a2e06e51..20a812f63 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -151,7 +151,7 @@ template <typename Ret> Ret Module::sendToDetector(int fnum) {
                    << sizeof(Ret) << "]";
     Ret retval{};
     sendToDetector(fnum, nullptr, 0, &retval, sizeof(retval));
-    LOG(logDEBUG1) << "Got back: " << retval;
+    LOG(logDEBUG1) << "Got back: " << ToString(retval);
     return retval;
 }
 
@@ -163,7 +163,7 @@ Ret Module::sendToDetector(int fnum, const Arg &args) {
                    << typeid(Ret).name() << ", " << sizeof(Ret) << "]";
     Ret retval{};
     sendToDetector(fnum, &args, sizeof(args), &retval, sizeof(retval));
-    LOG(logDEBUG1) << "Got back: " << retval;
+    LOG(logDEBUG1) << "Got back: " << ToString(retval);
     return retval;
 }
 
@@ -1057,9 +1057,8 @@ void Module::setExptime(int gateIndex, int64_t value) {
 }
 
 std::array<int64_t, 3> Module::getExptimeForAllGates() {
-    std::array<int64_t, 3> retval;
-    sendToDetector(F_GET_EXPTIME_ALL_GATES, nullptr, retval);
-    return retval;
+    return sendToDetector<std::array<int64_t, 3>>(F_GET_EXPTIME_ALL_GATES);
+
 }
 
 int64_t Module::getGateDelay(int gateIndex) {
diff --git a/slsSupportLib/include/ToString.h b/slsSupportLib/include/ToString.h
index 6e20f69dc..267221516 100644
--- a/slsSupportLib/include/ToString.h
+++ b/slsSupportLib/include/ToString.h
@@ -12,6 +12,7 @@
 #include "sls_detector_defs.h"
 #include "sls_detector_exceptions.h"
 #include "string_utils.h"
+#include <array>
 #include <chrono>
 #include <iomanip>
 #include <map>
@@ -38,9 +39,6 @@ std::string ToString(const defs::timingSourceType s);
 
 std::string ToString(const slsDetectorDefs::ROI &roi);
 std::ostream &operator<<(std::ostream &os, const slsDetectorDefs::ROI &roi);
-
-
-
 const std::string &ToString(const std::string &s);
 
 /** Convert std::chrono::duration with specified output unit */
diff --git a/slsSupportLib/tests/test-ToString.cpp b/slsSupportLib/tests/test-ToString.cpp
index 70151bf73..952f71182 100644
--- a/slsSupportLib/tests/test-ToString.cpp
+++ b/slsSupportLib/tests/test-ToString.cpp
@@ -232,3 +232,9 @@ TEST_CASE("Streaming of slsDetectorDefs::ROI") {
     REQUIRE(oss.str() == "[-10, 1]");
 }
 
+TEST_CASE("std::array"){
+    std::array<int, 3> arr{4,6,7};
+    REQUIRE(ToString(arr) == "[4, 6, 7]");
+}
+
+