diff --git a/Makefile b/Makefile
index c0f3850..eb923d8 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ MXQ_VERSION_MAJOR = 0
 MXQ_VERSION_MINOR = 17
 MXQ_VERSION_PATCH = 0
 MXQ_VERSION_EXTRA = "beta"
-MXQ_VERSIONDATE = 2013-2015
+MXQ_VERSIONDATE = 2015
 
 MXQ_VERSION_GIT := $(shell git describe --long 2>/dev/null)
 
diff --git a/mxq.h b/mxq.h
index 556db6f..54b073f 100644
--- a/mxq.h
+++ b/mxq.h
@@ -17,7 +17,7 @@
 #endif
 
 #ifndef MXQ_VERSIONDATE
-#   define MXQ_VERSIONDATE "2015"
+#   define MXQ_VERSIONDATE "today"
 #endif
 
 #ifndef MXQ_MYSQL_DEFAULT_FILE
@@ -53,7 +53,8 @@ static void mxq_print_generic_version(void)
 #ifdef MXQ_DEVELOPMENT
     "DEVELOPMENT VERSION: Do not use in production environments.\n"
 #endif
-    "  by Marius Tolzmann <tolzmann@molgen.mpg.de> " MXQ_VERSIONDATE "\n"
+    "  by Marius Tolzmann <marius.tolzmann@molgen.mpg.de> 2013-" MXQ_VERSIONDATE "\n"
+    "     and Donald Buczek <buczek@molgen.mpg.de> 2015-" MXQ_VERSIONDATE "\n"
     "  Max Planck Institute for Molecular Genetics - Berlin Dahlem\n",
         program_invocation_short_name
     );
diff --git a/mxqd.c b/mxqd.c
index 261cb1d..cc55996 100644
--- a/mxqd.c
+++ b/mxqd.c
@@ -1830,7 +1830,8 @@ int main(int argc, char *argv[])
     }
 
     mx_log_info("mxqd - " MXQ_VERSIONFULL);
-    mx_log_info("  by Marius Tolzmann <tolzmann@molgen.mpg.de> " MXQ_VERSIONDATE);
+    mx_log_info("  by Marius Tolzmann <marius.tolzmann@molgen.mpg.de> 2013-" MXQ_VERSIONDATE);
+    mx_log_info("     and Donald Buczek <buczek@molgen.mpg.de> 2015-" MXQ_VERSIONDATE);
     mx_log_info("  Max Planck Institute for Molecular Genetics - Berlin Dahlem");
 #ifdef MXQ_DEVELOPMENT
     mx_log_warning("DEVELOPMENT VERSION: Do not use in production environments.\n");