diff --git a/utest/Makefile b/utest/Makefile
index 0b9892411..31d4ccf00 100644
--- a/utest/Makefile
+++ b/utest/Makefile
@@ -34,6 +34,9 @@ endif
 ifeq ($(C_COMPILER), PGI)
 OBJS = utest_main2.o
 endif
+ifeq ($(OSNAME), AIX)
+OBJS = utest_main2.o
+endif
 
 all : run_test