diff --git a/slsDetectorServers/eigerDetectorServer/Beb.c b/slsDetectorServers/eigerDetectorServer/Beb.c
index 90512c7b1..ab602b475 100644
--- a/slsDetectorServers/eigerDetectorServer/Beb.c
+++ b/slsDetectorServers/eigerDetectorServer/Beb.c
@@ -1251,20 +1251,20 @@ int Beb_GetNextFrameNumber(uint64_t *retval, int tengigaEnable) {
 
     else {
         uint64_t left10g =
-            Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_1G_LEFT_MSB_OFST);
-        temp = Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_1G_LEFT_LSB_OFST);
+            Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_10G_LEFT_MSB_OFST);
+        temp = Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_10G_LEFT_LSB_OFST);
         left10g = ((left10g << 32) | temp) >> 16;
         ++left10g; // increment for firmware
 
         uint64_t right10g =
-            Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_1G_LEFT_MSB_OFST);
-        temp = Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_1G_LEFT_LSB_OFST);
+            Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_10G_LEFT_MSB_OFST);
+        temp = Beb_Read32(csp0base, UDP_HEADER_GET_FNUM_10G_LEFT_LSB_OFST);
         right10g = ((right10g << 32) | temp) >> 16;
         Beb_close(fd, csp0base);
         ++right10g; // increment for firmware
 
         if (left10g != right10g) {
-            LOG(logERROR, ("Retrieved inconsistent frame numbers from `0g left "
+            LOG(logERROR, ("Retrieved inconsistent frame numbers from 10g left "
                            "%llu and right %llu\n",
                            (long long int)left10g, (long long int)right10g));
             *retval = (left10g > right10g)
diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index 025370bf7..94b4630cb 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -783,6 +783,25 @@ void Detector::startDetectorReadout() {
 
 void Detector::stopDetector(Positions pos) {
     pimpl->Parallel(&Module::stopAcquisition, pos);
+
+    // validate consistent frame numbers
+    switch (getDetectorType().squash()) {
+    case defs::EIGER:
+    case defs::JUNGFRAU:
+    case defs::MOENCH:
+    case defs::CHIPTESTBOARD: {
+        auto res = getNextFrameNumber(pos);
+        if (!res.equal()) {
+            uint64_t maxVal = 0;
+            for (auto it : res) {
+                maxVal = std::max(maxVal, it);
+            }
+            setNextFrameNumber(maxVal + 1);
+        }
+    } break;
+    default:
+        break;
+    }
 }
 
 Result<defs::runStatus> Detector::getDetectorStatus(Positions pos) const {
@@ -1563,7 +1582,6 @@ std::vector<defs::gainMode> Detector::getGainModeList() const {
         return std::vector<defs::gainMode>{
             defs::DYNAMIC, defs::FORCE_SWITCH_G1, defs::FORCE_SWITCH_G2,
             defs::FIX_G1,  defs::FIX_G2,          defs::FIX_G0};
-        break;
     default:
         throw RuntimeError("Gain mode is not implemented for this detector.");
     }