diff --git a/tests/conftest.py b/tests/conftest.py
index 6f98692..908e209 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -4,18 +4,23 @@ from caproto.sync.client import read, write
 from ioc.startioc import startioc
 import pytest
 
+from common import read_config
+
 TIMEOUT_IOC_STARTUP = 30
 TIMEOUT_READ = 3.0
 
 
 @pytest.fixture(autouse=True)
 def prepare_ioc():
+
+    config = read_config()
+
     """
     This function checks if the test IOC is already running and attempts to
     start it, if that is not the case.
     """
     try:
-        read('MOTORDRIVERTESTS:IOCREADY', timeout=TIMEOUT_READ)
+        read(f'{config['pvprefix']}:IOCREADY', timeout=TIMEOUT_READ)
 
         # Reading the check recird was successfull -> We assume that the IOC
         # is running
@@ -24,11 +29,11 @@ def prepare_ioc():
         # Received a timeout error -> Start the IOC
         startioc()
 
-        # Check every few seconds if the IOC started successfully
+        # Check periodically if the IOC started successfully
         now = time.time()
         while now + TIMEOUT_IOC_STARTUP < time.time():
             try:
-                read('MOTORDRIVERTESTS:IOCREADY', timeout=TIMEOUT_READ)
+                read(f'{config['pvprefix']}:IOCREADY', timeout=TIMEOUT_READ)
                 return
             except TimeoutError:
                 time.sleep(0.5)