diff --git a/tests/functional/Makefile b/tests/functional/Makefile
index b8963b2..71a77dc 100755
--- a/tests/functional/Makefile
+++ b/tests/functional/Makefile
@@ -18,7 +18,7 @@ SRC=$(shell find $(SRCDIR) $(WRAPDIR) -name \*.c)
 OBJS=$(patsubst %.c, %.o, $(SRC))
 OCFLIB=$(ADAPTERDIR)/libocf.so
 
-all: | sync
+all: | sync config_random
 	$(MAKE) $(OCFLIB)
 
 $(OCFLIB): $(OBJS)
@@ -36,6 +36,9 @@ sync:
 	@$(MAKE) -C $(OCFDIR) src O=$(ADAPTERDIR)/ocf
 	@$(MAKE) -C $(OCFDIR) env O=$(ADAPTERDIR)/ocf OCF_ENV=posix
 
+config_random:
+	@python3 utils/configure_random.py
+
 clean:
 	@rm -rf $(OCFLIB) $(OBJS)
 	@echo "  CLEAN "
@@ -46,4 +49,4 @@ distclean: clean
 	@rm -rf $(INCDIR)/ocf
 	@echo "  DISTCLEAN "
 
-.PHONY: all clean sync distclean
+.PHONY: all clean sync config_random distclean
diff --git a/tests/functional/config/random.cfg b/tests/functional/config/random.cfg
new file mode 100644
index 0000000..f7ab212
--- /dev/null
+++ b/tests/functional/config/random.cfg
@@ -0,0 +1,2 @@
+# This file content will be generated by utils/configure_random.py
+# triggered from the Makefile
diff --git a/tests/functional/tests/utils/random.py b/tests/functional/tests/utils/random.py
index 924e018..2773570 100644
--- a/tests/functional/tests/utils/random.py
+++ b/tests/functional/tests/utils/random.py
@@ -36,6 +36,8 @@ class DefaultRanges(Range, enum.Enum):
 
 class RandomGenerator:
     def __init__(self, base_range=DefaultRanges.INT, count=1000):
+        with open("config/random.cfg") as f:
+            self.random = random.Random(int(f.read()))
         self.exclude = []
         self.range = base_range
         self.count = count
@@ -53,7 +55,7 @@ class RandomGenerator:
             raise StopIteration()
         self.n += 1
         while True:
-            val = random.randint(self.range.min, self.range.max)
+            val = self.random.randint(self.range.min, self.range.max)
             if self.exclude:
                 excl_map = map(lambda e: e.is_within(val), self.exclude)
                 is_excluded = reduce(lambda a, b: a or b, excl_map)
@@ -64,6 +66,8 @@ class RandomGenerator:
 
 class RandomStringGenerator:
     def __init__(self, len_range=Range(0, 20), count=700):
+        with open("config/random.cfg") as f:
+            self.random = random.Random(int(f.read()))
         self.generator = self.__string_generator(len_range)
         self.count = count
         self.n = 0
@@ -78,7 +82,7 @@ class RandomStringGenerator:
                       string.punctuation,
                       string.hexdigits]:
                 yield ''.join(random.choice(t) for _ in range(
-                    random.randint(len_range.min, len_range.max)
+                    self.random.randint(len_range.min, len_range.max)
                 ))
 
     def __iter__(self):
diff --git a/tests/functional/utils/configure_random.py b/tests/functional/utils/configure_random.py
new file mode 100755
index 0000000..71a0440
--- /dev/null
+++ b/tests/functional/utils/configure_random.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+#
+# Copyright(c) 2012-2018 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+import sys
+import random
+
+
+with open("config/random.cfg", "w") as f:
+    f.write(str(random.randint(0, sys.maxsize)))