diff --git a/src/utils/front-end-cal/main.cc b/src/utils/front-end-cal/main.cc
index eae79f406..51eace09d 100644
--- a/src/utils/front-end-cal/main.cc
+++ b/src/utils/front-end-cal/main.cc
@@ -619,7 +619,7 @@ int main(int argc, char** argv)
                 {
                     std::cout << "Exception caught while reading ephemeris" << std::endl;
                 }
-            catch (int ex)
+            catch (const std::exception& ex)
                 {
                     std::cout << "  " << it.first << "   " << it.second - mean_f_if_Hz << "  (Eph not found)" << std::endl;
                 }