diff -r 460c0258bb5b -r 028039652b86 src/logging.c
--- a/src/logging.c	Fri Dec 20 14:29:41 2019 +0100
+++ b/src/logging.c	Fri Dec 20 14:44:50 2019 +0100
@@ -91,6 +91,10 @@
             k += strftime(msg+k, 128, logger->dateformat, localtime(&now));
         }
         if ((logger->mask & UCX_LOGGER_SOURCE) > 0) {
+            char *fpart = strrchr(file, '/');
+            if (fpart) file = fpart+1;
+            fpart = strrchr(file, '\\');
+            if (fpart) file = fpart+1;
             n = strlen(file);
             memcpy(msg+k, file, n);
             k += n;