diff --git a/opal/include/Makefile.am b/opal/include/Makefile.am
index 19660f13e4..07b3f4833e 100644
--- a/opal/include/Makefile.am
+++ b/opal/include/Makefile.am
@@ -19,7 +19,7 @@ include $(top_srcdir)/config/Makefile.options
 SUBDIRS = sys
 
 noinst_HEADERS = \
-        constants.h
+        opal_constants.h
 
 # Conditionally install the header files
 
diff --git a/opal/include/constants.h b/opal/include/opal_constconstants.h
similarity index 100%
rename from opal/include/constants.h
rename to opal/include/opal_constconstants.h