diff --git a/src/core/gsmtap_util.c b/src/core/gsmtap_util.c
index 57b7aed..33667c3 100644
--- a/src/core/gsmtap_util.c
+++ b/src/core/gsmtap_util.c
@@ -232,7 +232,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 
-/*! Create a new (sending) GSMTAP source socket 
+/*! Create a new (sending) GSMTAP source socket
  *  \param[in] host host name or IP address in string format
  *  \param[in] port UDP port number in host byte order
  *  \return file descriptor of the new socket