diff --git a/common/pcapfileformat.cpp b/common/pcapfileformat.cpp
index 9a0a03f..95991fa 100644
--- a/common/pcapfileformat.cpp
+++ b/common/pcapfileformat.cpp
@@ -480,7 +480,7 @@ _non_pdml:
         stream->mutable_control()->set_num_packets(1);
 
         // setup packet rate to the timing in pcap (as close as possible)
-        const uint kUsecsInSec = uint(1e6);
+        const double kUsecsInSec = 1e6;
         uint usec = (pktHdr.tsSec*kUsecsInSec + pktHdr.tsUsec);
         uint delta = usec - lastUsec;
         
diff --git a/common/pdmlprotocols.cpp b/common/pdmlprotocols.cpp
index ec1f99d..200cafd 100644
--- a/common/pdmlprotocols.cpp
+++ b/common/pdmlprotocols.cpp
@@ -177,7 +177,7 @@ void PdmlFrameProtocol::unknownFieldHandler(QString name, int /*pos*/,
             
             if (decimal >= 0)
             {
-                const uint kNsecsInSec = 1000000000;
+                const double kNsecsInSec = 1e9;
                 uint sec = delta.left(decimal).toUInt();
                 uint nsec = delta.mid(decimal+1).toUInt();
                 uint ipg = sec*kNsecsInSec + nsec;