diff --git a/RTCP/Cobalt/GPUProc/src/Station/StationInput.cc b/RTCP/Cobalt/GPUProc/src/Station/StationInput.cc
index 4f87ea7709357005b17e8db1c06c7b3d82e9d323..011204dc953ed7f1cba325cfd1db60f07335aeb3 100644
--- a/RTCP/Cobalt/GPUProc/src/Station/StationInput.cc
+++ b/RTCP/Cobalt/GPUProc/src/Station/StationInput.cc
@@ -333,7 +333,8 @@ namespace LOFAR {
       const TimeStamp now = TimeStamp::now(mode.clockHz());
 
       if (deadline < now) {
-        if (loggedNonRealTime + mode.secondsToSamples(600) < now) {
+	// Only emit log lines every minute seconds to prevent spam
+        if (loggedNonRealTime + mode.secondsToSamples(60) < now) {
           // We're too late! Don't process data, or we'll get even further behind!
           LOG_ERROR_STR(logPrefix << "[block " << current.block << "] Not running at real time! Deadline was " <<
             TimeStamp(now - deadline, deadline.getClock()).getSeconds() << " seconds ago");
@@ -371,7 +372,8 @@ namespace LOFAR {
                 // We have data (potentially) spilling into `next'.
 
                 if (next->write(packet, beamletIndices, nrBeamletIndices)) {
-                  if (loggedSeenFutureData + mode.secondsToSamples(600) < now) {
+	          // Only emit log lines every minute seconds to prevent spam
+                  if (loggedSeenFutureData + mode.secondsToSamples(60) < now) {
                     LOG_ERROR_STR(logPrefix << "Received data for several blocks into the future -- discarding.");
                     loggedSeenFutureData = now;
                   }
diff --git a/RTCP/Cobalt/GPUProc/src/Station/StationInput.h b/RTCP/Cobalt/GPUProc/src/Station/StationInput.h
index 2c188b4c5d916d0e9e318ae3d6d1c88dc116641e..b3f655b4dde27fe136f5ea86a4ad4512b881ba97 100644
--- a/RTCP/Cobalt/GPUProc/src/Station/StationInput.h
+++ b/RTCP/Cobalt/GPUProc/src/Station/StationInput.h
@@ -112,7 +112,7 @@ namespace LOFAR {
       const size_t nrBoards;
       std::vector< SmartPtr< Pool< RSPData > > > rspDataPool; // [nrboards]
 
-      // Whether we emitted certain errors
+      // Whether we emitted certain errors (to prevent log spam)
       TimeStamp loggedSeenFutureData;
       TimeStamp loggedNonRealTime;