--- a/libfuse-lite/fusermount.c
+++ b/libfuse-lite/fusermount.c
@@ -37,6 +37,10 @@
 
 #define FUSE_DEV_NEW "/dev/fuse"
 
+#ifndef _PATH_MOUNTED
+#define _PATH_MOUNTED "/proc/mounts"
+#endif
+
 #ifndef MS_DIRSYNC
 #define MS_DIRSYNC 128
 #endif
--- a/libfuse-lite/mount_util.c
+++ b/libfuse-lite/mount_util.c
@@ -264,6 +264,10 @@ int fuse_mnt_check_fuseblk(void)
 
 #else /* __SOLARIS__ */
 
+#ifndef _PATH_MOUNTED
+#define _PATH_MOUNTED "/proc/mounts"
+#endif /* _PATH_MOUNTED */
+
 static int mtab_needs_update(const char *mnt)
 {
 	int res;
