diff --git a/src/libCom/test/epicsAtomicPerform.cpp b/src/libCom/test/epicsAtomicPerform.cpp
index 464c20afe..0b47dd900 100644
--- a/src/libCom/test/epicsAtomicPerform.cpp
+++ b/src/libCom/test/epicsAtomicPerform.cpp
@@ -480,7 +480,7 @@ void epicsAtomicSetPerformance ()
     testDiag ( "epicsAtomicSet() takes %f microseconds", delay );
 }
 
-MAIN(osiAtomicTest)
+MAIN(epicsAtomicPerform)
 {
     testPlan(5);
     //
diff --git a/src/libCom/test/epicsAtomicTest.c b/src/libCom/test/epicsAtomicTest.c
index d668936b2..bf5d2cbd2 100644
--- a/src/libCom/test/epicsAtomicTest.c
+++ b/src/libCom/test/epicsAtomicTest.c
@@ -53,7 +53,7 @@ static void tns ( void *arg )
     epicsAtomicIncrSizeT ( & pTestData->m_testIterationsSet );
 }
 
-MAIN(osiAtomicTest)
+MAIN(epicsAtomicTest)
 {
     const unsigned int stackSize = 
         epicsThreadGetStackSize ( epicsThreadStackSmall );