diff --git a/src/libCom/test/Makefile b/src/libCom/test/Makefile
index 6800b5cdf..6239e0b41 100644
--- a/src/libCom/test/Makefile
+++ b/src/libCom/test/Makefile
@@ -154,6 +154,7 @@ TESTS += epicsMessageQueueTest
 
 TESTPROD_HOST += ipAddrToAsciiTest
 ipAddrToAsciiTest_SRCS += ipAddrToAsciiTest.cpp
+testHarness_SRCS += ipAddrToAsciiTest.cpp
 TESTS += ipAddrToAsciiTest
 
 # The testHarness runs all the test programs in a known working order.
diff --git a/src/libCom/test/epicsRunLibComTests.c b/src/libCom/test/epicsRunLibComTests.c
index 81290644a..16d316592 100644
--- a/src/libCom/test/epicsRunLibComTests.c
+++ b/src/libCom/test/epicsRunLibComTests.c
@@ -41,6 +41,7 @@ int macEnvExpandTest(void);
 int ringPointerTest(void);
 int ringBytesTest(void);
 int blockingSockTest(void);
+int ipAddrToAsciiTest(void);
 int epicsSockResolveTest(void);
 int taskwdTest(void);
 int epicsExitTest(void);
@@ -102,6 +103,8 @@ void epicsRunLibComTests(void)
     runTest(ringBytesTest);
 
     runTest(blockingSockTest);
+
+    runTest(ipAddrToAsciiTest);
     
     runTest(epicsSockResolveTest);