diff --git a/pam_fshadow/Makefile.am b/pam_fshadow/Makefile.am
index 5eadaf5..c47ed2d 100644
--- a/pam_fshadow/Makefile.am
+++ b/pam_fshadow/Makefile.am
@@ -21,7 +21,7 @@ AM_INSTALLCHECK_STD_OPTIONS_EXEMPT = pam_fshadow.la
 pam_fshadow_la_SOURCES = pam_fshadow.c
 pam_fshadow_la_LDADD = -lpam  
 AM_LDFLAGS = -version-info @VI_CURRENT@:@VI_REVISION@:@VI_AGE@
-AM_CPPFLAGS=-DSYSCONFDIR=\"${sysconfdir}\"
+AM_CPPFLAGS=-DMODULE_NAME=\"pam_fshadow\" -DSYSCONFDIR=\"${sysconfdir}\"
 INCLUDES=@PAM_COMMON_INCLUDES@
 NORMAL_UNINSTALL = -rm -f $(DESTDIR)$(pamdir)/pam_fshadow.a $(DESTDIR)$(pamdir)/pam_fshadow.so.@VI_CURRENT@.@VI_REVISION@.@VI_AGE@
 
diff --git a/pam_log/Makefile.am b/pam_log/Makefile.am
index 6a566c2..d330834 100644
--- a/pam_log/Makefile.am
+++ b/pam_log/Makefile.am
@@ -21,7 +21,7 @@ AM_INSTALLCHECK_STD_OPTIONS_EXEMPT = pam_log.la
 pam_log_la_SOURCES = pam_log.c
 pam_log_la_LDADD = -lpam 
 AM_LDFLAGS = -version-info @VI_CURRENT@:@VI_REVISION@:@VI_AGE@
-AM_CPPFLAGS=-DSYSCONFDIR=\"${sysconfdir}\"
+AM_CPPFLAGS=-DMODULE_NAME=\"pam_log\" -DSYSCONFDIR=\"${sysconfdir}\"
 INCLUDES=@PAM_COMMON_INCLUDES@
 NORMAL_UNINSTALL = -rm -f $(DESTDIR)$(pamdir)/pam_log.a $(DESTDIR)$(pamdir)/pam_log.so.@VI_CURRENT@.@VI_REVISION@.@VI_AGE@
 
diff --git a/pam_regex/Makefile.am b/pam_regex/Makefile.am
index e7148a5..a2c74ea 100644
--- a/pam_regex/Makefile.am
+++ b/pam_regex/Makefile.am
@@ -21,7 +21,7 @@ pam_regex_la_SOURCES = pam_regex.c
 AM_INSTALLCHECK_STD_OPTIONS_EXEMPT = pam_regex.la
 pam_regex_la_LDADD = -lpam 
 AM_LDFLAGS = -version-info @VI_CURRENT@:@VI_REVISION@:@VI_AGE@
-AM_CPPFLAGS=-DSYSCONFDIR=\"${sysconfdir}\"
+AM_CPPFLAGS=-DMODULE_NAME=\"pam_regex\" -DSYSCONFDIR=\"${sysconfdir}\"
 INCLUDES=@PAM_COMMON_INCLUDES@
 NORMAL_UNINSTALL = -rm -f $(DESTDIR)$(pamdir)/pam_regex.a $(DESTDIR)$(pamdir)/pam_regex.so.@VI_CURRENT@.@VI_REVISION@.@VI_AGE@