diff --git a/src/terminal_api_driver.cpp b/src/terminal_api_driver.cpp
index 9f8bb9f..eae5068 100644
--- a/src/terminal_api_driver.cpp
+++ b/src/terminal_api_driver.cpp
@@ -778,7 +778,7 @@ std::string api_driver::ApiDriver::loadTerminalState() const {
         result << ",\"cinc.correlatorFails\":" << cinc.cnt_bad_lock;
         result << ",\"cinc.freqErr\":" << cinc.freq_error_offset;
         result << ",\"cinc.freqErrAcc\":" << cinc.freq_fine_estimate;
-        result << ",\"cinc.channelDelay\":" << cinc.delay_dpdi;
+        result << ",\"cinc.channelDelay\":"; writeDouble(result, cinc.delay_dpdi, 1);
     } else {
         result << R"(,"cinc.correlator":null)";
     }