diff --git a/src/THcRawAdcHit.cxx b/src/THcRawAdcHit.cxx
index 37b6b8e60e8a1c6dae65ecc4b5d6ac221ccdd20d..6199941db817fdf335f643ad522276bb0c5c2cee 100644
--- a/src/THcRawAdcHit.cxx
+++ b/src/THcRawAdcHit.cxx
@@ -453,7 +453,7 @@ Double_t THcRawAdcHit::GetAdcTomV() const {
 
 // Convert integral to pC
 Double_t THcRawAdcHit::GetAdcTopC() const {
-  // (1 V / 4096 adc channels) * (4 ns time sample / 50 ohms input resistance) = 0.020 pc/channel 
+  // (1 V / 4096 adc channels) * (4000 ps time sample / 50 ohms input resistance) = 0.020 pc/channel 
   return (fAdcRange / fNAdcChan) * (fAdcTimeSample / fAdcImpedence);
 }
 
diff --git a/src/THcRawAdcHit.h b/src/THcRawAdcHit.h
index 71a5c270230f7f1250cb23035fe3e608b78b1955..9b0a38b45d328b46a0a8ecd22766e9513afce61a 100644
--- a/src/THcRawAdcHit.h
+++ b/src/THcRawAdcHit.h
@@ -60,7 +60,7 @@ class THcRawAdcHit : public TObject {
     const Double_t fNAdcChan      = 4096.0; // Number of FADC channels in units of ADC channels
     const Double_t fAdcRange      = 1.0;    // Dynamic range of FADCs in units of V, // TO-DO: Get fAdcRange from pre-start event
     const Double_t fAdcImpedence  = 50.0;   // FADC input impedence in units of Ohms
-    const Double_t fAdcTimeSample = 4.0;    // Length of FADC time sample in units of ns
+    const Double_t fAdcTimeSample = 4000.0;    // Length of FADC time sample in units of ps
     const Double_t fAdcTimeRes    = 0.0625; // FADC time resolution in units of ns
 
     Int_t fNPedestalSamples;  // TODO: Get this from prestart event...