diff --git a/lib/nodes/smu.cpp b/lib/nodes/smu.cpp
index 72e2a616f..175f18dc2 100644
--- a/lib/nodes/smu.cpp
+++ b/lib/nodes/smu.cpp
@@ -95,7 +95,7 @@ int SMUNode::parse(json_t *json)
             dumpers[idx].setActive();
 
         }
-  
+
     }
 
     if(!modeIn || strcmp(modeIn, "MODE_FREERUN")==0)
@@ -146,8 +146,8 @@ int SMUNode::parse(json_t *json)
     else if (strcmp(sample_rateIn, "FS_200kSPS")==0) {
         sample_rate = FS_200kSPS;
     }
-    
-    
+
+
 
     if (json_is_object(in_json) && json_object_get(in_json, "vectorize")) {
         throw ConfigError(json, "node-config-node-smu", "Vectorize cannot be overwritten for this node type!");
@@ -168,7 +168,7 @@ int SMUNode::start()
     daq_cfg.rate = sample_rate;
     daq_cfg.buff = fps;
     daq_cfg.mode = mode;
-    daq_cfg.sync = sync;  
+    daq_cfg.sync = sync;
 
 
     fd = ::open(SMU_DEV, O_RDWR);
@@ -201,7 +201,7 @@ int SMUNode::start()
     act.sa_sigaction = data_available_signal;
     if (sigaction(SMU_SIG_DATA, &act, nullptr))
         logger->warn("Fail to install ADC handler");
-	
+
     // Update DAQ memory configuration
     shared_mem_pos = 0;
     shared_mem_inc = sizeof(smu_mcsc_t);
@@ -212,7 +212,7 @@ int SMUNode::start()
         logger->warn("Fail to stop the driver");
 
     // Configure DAQ driver
-    if (::write(fd, &daq_cfg, sizeof(daq_cfg)))
+    if (::write(fd, &daq_cfg, sizeof(daq_cfg.rate)))
         logger->warn("Fail to configure the driver");
 
     // Start DAQ driver
@@ -241,7 +241,7 @@ int SMUNode::stop()
 void SMUNode::sync_signal(int, siginfo_t *info, void*)
 {
 
-    
+
     ioctl(fd, SMU_IOC_GET_TIME,&sync_signal_mem_pos);
     sample_time.tv_nsec = sync_signal_mem_pos.tv_nsec;  //macht nix
     sample_time.tv_sec = sync_signal_mem_pos.tv_sec;
@@ -253,7 +253,7 @@ void SMUNode::sync_signal(int, siginfo_t *info, void*)
 
 void SMUNode::data_available_signal(int, siginfo_t *info, void*)
 {
-    
+
 	mem_pos = (info->si_value.sival_int);
 	/* Signal uldaq_read() about new data */
 	pthread_cond_signal(&cv);
@@ -270,12 +270,12 @@ int SMUNode::_read(struct Sample *smps[], unsigned cnt)
     size_t mem_pos_local = mem_pos;
 
     smu_mcsc_t* p = (smu_mcsc_t*)shared_mem;
-    
+
 
     for (unsigned j = 0; j < cnt; j++) {
         struct Sample *t = smps[j];
         ts.tv_nsec = mem_pos_local * 1e6 / (sample_rate);//current_sample*1e9* 1/(sample_rate * 1000)
-                
+
         for (unsigned i = 0; i < 8; i++) {  //auslagern, Steffen fragen
             int16_t data = p[mem_pos_local].ch[i];
             t->data[i].f = ((double)data);
@@ -284,14 +284,14 @@ int SMUNode::_read(struct Sample *smps[], unsigned cnt)
         }
 
         mem_pos_local++;
-        
+
         t->flags = (int) SampleFlags::HAS_TS_ORIGIN | (int) SampleFlags::HAS_DATA | (int) SampleFlags::HAS_SEQUENCE;
         t->ts.origin = ts;
         t->sequence = sequence++;
         t->length = 8;
         t->signals = in.signals;
 
-        
+
     }
 
 	pthread_mutex_unlock(&mutex);