diff --git a/configure.ac b/configure.ac
index 63c1c709..b8d52b1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -558,6 +558,12 @@ if test "x$enable_strict_locations" != "xyes"; then
   localstatedir="/var";
 fi
 
+AC_ARG_WITH([pamconfdir],
+  [AS_HELP_STRING([--with-pamconfdir=DIR],
+                  [Use directory for pam.d config (default: /etc/pam.d)])],
+                  [], [with_pamconfdir="$sysconfdir/pam.d"])
+AC_SUBST([pamconfdir], [$with_pamconfdir])
+
 PKG_INSTALLDIR
 
 AC_CHECK_HEADERS([sys/prctl.h])
@@ -638,6 +644,7 @@ echo "  exec_prefix             $exec_prefix"
 echo "  libdir                  $libdir"
 echo "  bindir                  $bindir"
 echo "  sysconfdir              $sysconfdir"
+echo "  pamconfdir              $pamconfdir"
 echo "  localstatedir           $localstatedir"
 echo "  runstatedir             $runstatedir"
 echo "  socketdir               $socketdir"
diff --git a/instfiles/pam.d/Makefile.am b/instfiles/pam.d/Makefile.am
index a4ddd9d7..feeaf7a2 100644
--- a/instfiles/pam.d/Makefile.am
+++ b/instfiles/pam.d/Makefile.am
@@ -26,7 +26,7 @@ endif
 endif
 endif
 
-pamddir = $(sysconfdir)/pam.d
+pamddir = $(pamconfdir)
 
 pamd_DATA = \
   $(PAMFILE)
diff --git a/sesman/Makefile.am b/sesman/Makefile.am
index 61bd24b4..905d05ab 100644
--- a/sesman/Makefile.am
+++ b/sesman/Makefile.am
@@ -9,6 +9,7 @@ AM_CPPFLAGS = \
   -DXRDP_SHARE_PATH=\"${datadir}/xrdp\" \
   -DXRDP_PID_PATH=\"${localstatedir}/run\" \
   -DXRDP_SOCKET_PATH=\"${socketdir}\" \
+  -DXRDP_PAMCONF_PATH=\"${pamconfdir}\" \
   -DSESMAN_RUNTIME_PATH=\"${sesmanruntimedir}\" \
   -I$(top_srcdir)/common \
   -I$(top_srcdir)/libipm
diff --git a/sesman/tools/Makefile.am b/sesman/tools/Makefile.am
index cc32cc74..3d912bc7 100644
--- a/sesman/tools/Makefile.am
+++ b/sesman/tools/Makefile.am
@@ -5,6 +5,7 @@ AM_CPPFLAGS = \
   -DXRDP_SHARE_PATH=\"${datadir}/xrdp\" \
   -DXRDP_PID_PATH=\"${localstatedir}/run\" \
   -DXRDP_SOCKET_PATH=\"${socketdir}\" \
+  -DXRDP_PAMCONF_PATH=\"${pamconfdir}\" \
   -DXRDP_AUTHMOD_SRC=\"../${AUTHMOD_SRC}\" \
   -I$(top_srcdir)/common \
   -I$(top_srcdir)/libipm \
diff --git a/sesman/verify_user_pam.c b/sesman/verify_user_pam.c
index abc28ee9..91db42a4 100644
--- a/sesman/verify_user_pam.c
+++ b/sesman/verify_user_pam.c
@@ -204,7 +204,15 @@ get_service_name(char *service_name)
     service_name[0] = 0;
 
     if (g_file_exist("/etc/pam.d/xrdp-sesman") ||
-            g_file_exist(XRDP_SYSCONF_PATH "/pam.d/xrdp-sesman"))
+#ifdef __LINUX_PAM__
+            /* /usr/lib/pam.d is hardcoded into Linux-PAM */
+            g_file_exist("/usr/lib/pam.d/xrdp-sesman") ||
+#endif
+#ifdef OPENPAM_VERSION
+            /* /usr/local/etc/pam.d is hardcoded into OpenPAM */
+            g_file_exist("/usr/local/etc/pam.d/xrdp-sesman") ||
+#endif
+            g_file_exist(XRDP_PAMCONF_PATH "/xrdp-sesman"))
     {
         g_strncpy(service_name, "xrdp-sesman", 255);
     }