diff --git a/examples/ClientTests/CMakeLists.txt b/examples/ClientTests/CMakeLists.txt
index 91bf1889e74f8624847401dde4e8db04c3592fbc..0643acdab5167801d94a4f404948935ff9394361 100644
--- a/examples/ClientTests/CMakeLists.txt
+++ b/examples/ClientTests/CMakeLists.txt
@@ -521,7 +521,7 @@ if (DD4HEP_USE_GEANT4)
     EXEC_ARGS  ${Python_EXECUTABLE} ${ClientTestsEx_INSTALL}/scripts/MiniTel.py
     	       -batch -debug -events 1 -geometry /examples/ClientTests/compact/WorldSettings.xml
     REGEX_PASS "\\+ Apply REGION settings: minitel_region_5         to volume MyLHCBdetector5."
-    REGEX_FAIL "Exception;EXCEPTION;ERROR"
+    REGEX_FAIL "EXCEPTION; Exception;ERROR"
   )
   #
   # Test setting properties to the world volume
@@ -530,7 +530,7 @@ if (DD4HEP_USE_GEANT4)
     EXEC_ARGS  ${Python_EXECUTABLE} ${ClientTestsEx_INSTALL}/scripts/MiniTel.py
     	       -batch -debug -events 1 -geometry /examples/ClientTests/compact/WorldSettings.xml
     REGEX_PASS "Volume world_volume Region: DefaultRegionForTheWorld. Apply user limits from world_region"
-    REGEX_FAIL "Exception;EXCEPTION;ERROR"
+    REGEX_FAIL "EXCEPTION; Exception;ERROR"
   )
   #
   if(Geant4_VERSION VERSION_LESS 10.7)
@@ -544,7 +544,7 @@ if (DD4HEP_USE_GEANT4)
         EXEC_ARGS  ${Python_EXECUTABLE} ${ClientTestsEx_INSTALL}/scripts/${script}.py -batch -events 2
 		   -geometry ${ClientTestsEx_INSTALL}/compact/SiliconBlock.xml -batch -events 2
         REGEX_PASS "Event 1 Begin event action. Access event related information"
-        REGEX_FAIL "Exception;EXCEPTION;ERROR;Error" )
+        REGEX_FAIL "EXCEPTION; Exception;ERROR;Error" )
     endforeach(script)
   endif()
   #
@@ -554,7 +554,7 @@ if (DD4HEP_USE_GEANT4)
       EXEC_ARGS  ${Python_EXECUTABLE} ${ClientTestsEx_INSTALL}/scripts/ParamVolume.py
       		 -geometry ${script}.xml -batch -events 2
       REGEX_PASS "Event 1 Begin event action. Access event related information"
-      REGEX_FAIL "Exception;EXCEPTION;ERROR;Error" )
+      REGEX_FAIL "EXCEPTION; Exception;ERROR;Error" )
   endforeach(script)
   #
   #
@@ -566,7 +566,7 @@ if (DD4HEP_USE_GEANT4)
       EXEC_ARGS  ${Python_EXECUTABLE} ${ClientTestsEx_INSTALL}/scripts/MiniTelGenerate.py
                  -batch -events 5 -output MiniTel_ddg4_edm4hep.edm4hep.root
       REGEX_PASS "\\+\\+\\+ Finished run 0 after 5 events \\(5 events in total\\)"
-      REGEX_FAIL "Error;ERROR;Exception"
+      REGEX_FAIL "Error;ERROR; Exception"
     )
   endif()
 endif(DD4HEP_USE_GEANT4)