diff --git a/extcap/udpdump.c b/extcap/udpdump.c
index 360d365d19..f6fe41a57c 100644
--- a/extcap/udpdump.c
+++ b/extcap/udpdump.c
@@ -304,7 +304,7 @@ static void run_listener(const char* fifo, const guint16 port, const char* proto
 	struct sockaddr_in clientaddr;
 	int clientlen = sizeof(clientaddr);
 	socket_handle_t sock;
-	char buf[PKT_BUF_SIZE];
+	char* buf;
 	ssize_t buflen;
 	FILE* fp = NULL;
 
@@ -324,6 +324,7 @@ static void run_listener(const char* fifo, const guint16 port, const char* proto
 
 	g_debug("Listener running on port %u", port);
 
+	buf = (char*)g_malloc(PKT_BUF_SIZE);
 	while(run_loop == TRUE) {
 		memset(buf, 0x0, PKT_BUF_SIZE);
 
@@ -359,6 +360,7 @@ static void run_listener(const char* fifo, const guint16 port, const char* proto
 
 	fclose(fp);
 	closesocket(sock);
+    g_free(buf);
 }
 
 int main(int argc, char *argv[])