diff --git a/opal/mca/if/bsdx_ipv4/configure.m4 b/opal/mca/if/bsdx_ipv4/configure.m4
index 0093ec9b9c..5e90b47513 100644
--- a/opal/mca/if/bsdx_ipv4/configure.m4
+++ b/opal/mca/if/bsdx_ipv4/configure.m4
@@ -8,7 +8,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_bsdx_ipv4_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_bsdx_ipv4_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])
diff --git a/opal/mca/if/bsdx_ipv6/configure.m4 b/opal/mca/if/bsdx_ipv6/configure.m4
index f246200fcc..ffdbceb08e 100644
--- a/opal/mca/if/bsdx_ipv6/configure.m4
+++ b/opal/mca/if/bsdx_ipv6/configure.m4
@@ -8,7 +8,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_bsdx_ipv6_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_bsdx_ipv6_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])
diff --git a/opal/mca/if/linux_ipv6/configure.m4 b/opal/mca/if/linux_ipv6/configure.m4
index ae35efae34..4d53edb51a 100644
--- a/opal/mca/if/linux_ipv6/configure.m4
+++ b/opal/mca/if/linux_ipv6/configure.m4
@@ -8,7 +8,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_linux_ipv6_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_linux_ipv6_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])
diff --git a/opal/mca/if/posix_ipv4/configure.m4 b/opal/mca/if/posix_ipv4/configure.m4
index 65df8987bd..bc2eb594bf 100644
--- a/opal/mca/if/posix_ipv4/configure.m4
+++ b/opal/mca/if/posix_ipv4/configure.m4
@@ -8,7 +8,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_posix_ipv4_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_posix_ipv4_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])
diff --git a/opal/mca/if/solaris_ipv6/configure.m4 b/opal/mca/if/solaris_ipv6/configure.m4
index e1a566be71..92567455bd 100644
--- a/opal/mca/if/solaris_ipv6/configure.m4
+++ b/opal/mca/if/solaris_ipv6/configure.m4
@@ -8,7 +8,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_solaris_ipv6_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_solaris_ipv6_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])
diff --git a/opal/mca/if/windows/configure.m4 b/opal/mca/if/windows/configure.m4
index 10e0dcfb7f..0b8db759bb 100644
--- a/opal/mca/if/windows/configure.m4
+++ b/opal/mca/if/windows/configure.m4
@@ -10,7 +10,7 @@
 # $HEADER$
 #
 
-AC_DEFUN([MCA_if_windows_COMPILE_MODE], [
+AC_DEFUN([MCA_opal_if_windows_COMPILE_MODE], [
     AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
     $4="static"
     AC_MSG_RESULT([$$4])