diff --git a/armory/EventBuilder.cpp b/armory/EventBuilder.cpp
index f8749c3..13a0f0f 100644
--- a/armory/EventBuilder.cpp
+++ b/armory/EventBuilder.cpp
@@ -227,7 +227,7 @@ int main(int argc, char ** argv){
   tree->Branch("e",                e, "energy[multi]/s");
   tree->Branch("e2",              e2, "energy_short[multi]/s");
   tree->Branch("e_t",            e_t, "timestamp[multi]/l");
-  tree->Branch("e_f",            e_t, "fine_timestamp[multi]/s");
+  tree->Branch("e_f",            e_f, "fine_timestamp[multi]/s");
   tree->Branch("lowFlag",    lowFlag, "lowFlag[multi]/s");
   tree->Branch("highFlag",  highFlag, "highFlag[multi]/s");
 
diff --git a/armory/Hit.h b/armory/Hit.h
index 27ff1f2..1a945b1 100644
--- a/armory/Hit.h
+++ b/armory/Hit.h
@@ -37,7 +37,7 @@ class Hit {
     uint16_t energy;         // 16 bit
     uint16_t energy_short;   // 16 bit, only for PSD
     uint64_t timestamp;      // 48 bit
-    uint16_t fine_timestamp; // 16 bit
+    uint16_t fine_timestamp; // 10 bit
     uint16_t flags_low_priority; // 12 bit
     uint16_t flags_high_priority; // 8 bit
     size_t   traceLenght;     // 64 bit