diff --git a/configure.ac.in b/configure.ac.in
index bfe94f4003d439f5c5ba553816c4923d07ae7842..f649950ee3332b188773939e857f6dfa8e4608ee 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -144,7 +144,7 @@ dnl *** Check for standard functions ***
 dnl ************************************
 AC_FUNC_MMAP()
 AC_CHECK_FUNCS([localeconv mkdtemp pread pwrite sched_yield setgroupent \
-                setpassent strcoll strlcpy strptime symlink atexit])
+                setpassent strcoll strlcpy strptime symlink atexit realpath])
 
 dnl ******************************
 dnl *** Check for i18n support ***
diff --git a/thunar/thunar-gio-extensions.c b/thunar/thunar-gio-extensions.c
index 3f4f348d6ea299e8aa25ce776dffb313ba8d3993..65bc1015f7960262bac741361c4e00bd9d8a285f 100644
--- a/thunar/thunar-gio-extensions.c
+++ b/thunar/thunar-gio-extensions.c
@@ -33,6 +33,10 @@
 #include <stdlib.h> /* realpath */
 #endif
 
+#ifndef HAVE_REALPATH
+#define realpath(path, resolved_path) NULL
+#endif
+
 #include <libxfce4util/libxfce4util.h>
 
 #include <thunar/thunar-file.h>