diff --git a/Makefile.in b/Makefile.in
index 0740fa40f..af399ddea 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -103,6 +103,7 @@ OBJS	      = @OBJS@ \
 		src/capture_filter/mirror.o \
 		src/capture_filter/none.o \
 		src/capture_filter/split.o \
+		src/compat/alarm.o \
 		src/compat/drand48.o \
 		src/compat/gettimeofday.o \
 		src/compat/platform_pipe.o \
diff --git a/src/compat/alarm.c b/src/compat/alarm.c
new file mode 100644
index 000000000..417742a94
--- /dev/null
+++ b/src/compat/alarm.c
@@ -0,0 +1,64 @@
+/**
+ * @file   compat/alarm.c
+ * @copydoc compat/alarm.h
+ */
+/*
+* Copyright (c) 2019 CESNET, z. s. p. o.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, is permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+*    notice, this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in the
+*    documentation and/or other materials provided with the distribution.
+*
+* 3. Neither the name of CESNET nor the names of its contributors may be
+*    used to endorse or promote products derived from this software without
+*    specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
+* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#include "config_unix.h"
+#include "config_win32.h"
+#endif // defined HAVE_CONFIG_H
+
+#ifdef WIN32
+
+#include "compat/alarm.h"
+
+static void *abort_worker(void *arg) {
+        unsigned int *sec = arg;
+        sleep(*sec);
+        free(sec);
+        abort();
+}
+
+void alarm(unsigned int sec)
+{
+        pthread_t id;
+        unsigned int *val = malloc(sizeof(unsigned int));
+        *val = sec;
+        pthread_create(&id, NULL, abort_worker, val);
+        pthread_detach(id);
+}
+
+#endif // WIN32
diff --git a/src/compat/alarm.h b/src/compat/alarm.h
new file mode 100644
index 000000000..25471f041
--- /dev/null
+++ b/src/compat/alarm.h
@@ -0,0 +1,50 @@
+/**
+ * @file   compat/alarm.h
+ * @author Martin Pulec     <martin.pulec@cesnet.cz>
+ *
+ * This emulates alarm on Windows without custom signal handler (i. e.
+ * using default SIGALRM action which is terminate).
+ */
+/*
+ * Copyright (c) 2019 CESNET, z. s. p. o.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, is permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of CESNET nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef WIN32
+
+#ifndef COMPAT_ALARM_H
+#define COMPAT_ALARM_H
+
+EXTERN_C void alarm(unsigned int sec);
+
+#endif // defined COMPAT_ALARM_H
+
+#endif /* WIN32 */
diff --git a/src/config_win32.h b/src/config_win32.h
index 64b050ed6..997bf6315 100644
--- a/src/config_win32.h
+++ b/src/config_win32.h
@@ -114,6 +114,7 @@ typedef unsigned int	in_addr_t;
 #define NEED_INET_ATON
 
 #include <time.h>		/* For clock_t */
+#include "compat/alarm.h"
 #include "compat/usleep.h"
 #include "crypto/random.h"
 
diff --git a/src/utils/packet_counter.cpp b/src/utils/packet_counter.cpp
index 450882946..80b965621 100644
--- a/src/utils/packet_counter.cpp
+++ b/src/utils/packet_counter.cpp
@@ -35,6 +35,12 @@
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#include "config_unix.h"
+#include "config_win32.h"
+#endif // defined HAVE_CONFIG_H
+
 #include "utils/packet_counter.h"
 #include <assert.h>
 #include <stdio.h>