--- src/os.c
+++ src/os.c
@@ -793,9 +793,10 @@
 #if OS_UNIX
   static const char *azDirs[] = {
      0,
+     0,
+     "/tmp",
      "/var/tmp",
      "/usr/tmp",
-     "/tmp",
      ".",
   };
   static unsigned char zChars[] =
@@ -806,6 +807,7 @@
   struct stat buf;
   const char *zDir = ".";
   azDirs[0] = sqlite_temp_directory;
+  azDirs[1] = getenv("TMPDIR");
   for(i=0; i<sizeof(azDirs)/sizeof(azDirs[0]); i++){
     if( azDirs[i]==0 ) continue;
     if( stat(azDirs[i], &buf) ) continue;