diff --git a/ext/userauth/userauth.c b/ext/userauth/userauth.c
index 19e9f6f762..21d33ce80f 100644
--- a/ext/userauth/userauth.c
+++ b/ext/userauth/userauth.c
@@ -329,7 +329,7 @@ int sqlite3_user_delete(
     return SQLITE_OK;
   }
   pStmt = sqlite3UserAuthPrepare(db,
-              "SELECT FROM sqlite_user WHERE uname=%Q", zUsername);
+              "DELETE FROM sqlite_user WHERE uname=%Q", zUsername);
   if( pStmt==0 ) return SQLITE_NOMEM;
   sqlite3_step(pStmt);
   return sqlite3_finalize(pStmt);
diff --git a/manifest b/manifest
index b1a2451fb1..f5797939b4 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sthe\ssqlite3_user_change()\sinterface\sso\sthat\sit\sdoes\sallow\sa\nnon-admin\suser\sto\schange\stheir\sown\spassword.
-D 2014-09-11T14:40:27.156
+C Get\sthe\ssqlite3_user_delete()\sinterface\sworking.
+D 2014-09-11T14:56:45.837
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in cf57f673d77606ab0f2d9627ca52a9ba1464146a
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -146,7 +146,7 @@ F ext/rtree/tkt3363.test 142ab96eded44a3615ec79fba98c7bde7d0f96de
 F ext/rtree/viewrtree.tcl eea6224b3553599ae665b239bd827e182b466024
 F ext/userauth/sqlite3userauth.h 19cb6f0e31316d0ee4afdfb7a85ef9da3333a220
 F ext/userauth/user-auth.txt e6641021a9210364665fe625d067617d03f27b04
-F ext/userauth/userauth.c bcd1aedb0b810b1a1125945e637af54ce3d299f1
+F ext/userauth/userauth.c 7942172fe537a6eedb797535b7558e726e00f728
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
 F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
 F magic.txt 8273bf49ba3b0c8559cb2774495390c31fd61c60
@@ -1057,7 +1057,7 @@ F test/unixexcl.test cd6c765f75e50e8e2c2ba763149e5d340ea19825
 F test/unordered.test ca7adce0419e4ca0c50f039885e76ed2c531eda8
 F test/update.test 1b6c488a8f993d090b7ee9ad0e234faa161b3aeb
 F test/uri.test 23662b7b61958b0f0e47082de7d06341ccf85d5b
-F test/userauth01.test 3be4d454af151aa8d59804f2fe4e593f367014c3
+F test/userauth01.test 77f6762fd30e09a70c08ae1734fc63cc1e2f214a
 F test/utf16align.test 54cd35a27c005a9b6e7815d887718780b6a462ae
 F test/vacuum.test ce91c39f7f91a4273bf620efad21086b5aa6ef1d
 F test/vacuum2.test af432e6e3bfc0ea20a80cb86a03c7d9876d38324
@@ -1197,7 +1197,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 70121e7cf868b7d6d19bf98794ddc3809a901456
-R fc5d3c327123005770c7e41594123732
+P 52d440c7e1b07fc03f14ed5fa4cc4c89a75cd430
+R f24750ae4706249df9137bdaab459848
 U drh
-Z 21dad64c9f9cfa4863908b784242b9b1
+Z 7444bd078e3d35d0ed86c3e87803a00a
diff --git a/manifest.uuid b/manifest.uuid
index 5b03dbec59..d912814cf2 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-52d440c7e1b07fc03f14ed5fa4cc4c89a75cd430
\ No newline at end of file
+974a9c65583f7ab438d5673dc00c347ab8322855
\ No newline at end of file
diff --git a/test/userauth01.test b/test/userauth01.test
index 9f0eb5d85a..a914ea07ca 100644
--- a/test/userauth01.test
+++ b/test/userauth01.test
@@ -110,7 +110,96 @@ do_test userauth01-1.10 {
 do_test userauth01-1.11 {
   sqlite3_user_authenticate db2 cindy xyzzy-cindy
 } {SQLITE_OK}
+do_test userauth01-1.12 {
+  sqlite3_user_change db alice xyzzy-alice 1
+} {SQLITE_OK}
+do_test userauth01-1.13 {
+  sqlite3_user_authenticate db alice pw-4-alice
+} {SQLITE_AUTH}
+do_test userauth01-1.14 {
+  sqlite3_user_authenticate db alice xyzzy-alice
+} {SQLITE_OK}
 
+# No user may change their own admin privilege setting.
+#
+do_test userauth01-1.15 {
+  sqlite3_user_change db alice xyzzy-alice 0
+} {SQLITE_AUTH}
+do_test userauth01-1.16 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 0}
+do_test userauth01-1.17 {
+  sqlite3_user_change db2 cindy xyzzy-cindy 1
+} {SQLITE_AUTH}
+do_test userauth01-1.18 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 0}
+
+# The sqlite3_user_change() interface can be used to change a users
+# login credentials or admin privilege.
+#
+do_test userauth01-1.20 {
+  sqlite3_user_change db david xyzzy-david 1
+} {SQLITE_OK}
+do_test userauth01-1.21 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 1}
+do_test userauth01-1.22 {
+  sqlite3_user_authenticate db2 david xyzzy-david
+} {SQLITE_OK}
+do_test userauth01-1.23 {
+  db2 eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 1}
+do_test userauth01-1.24 {
+  sqlite3_user_change db david pw-4-david 0
+} {SQLITE_OK}
+do_test userauth01-1.25 {
+  sqlite3_user_authenticate db2 david pw-4-david
+} {SQLITE_OK}
+do_test userauth01-1.26 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 0}
+do_test userauth01-1.27 {
+  catchsql {SELECT uname, isadmin FROM sqlite_user ORDER BY uname} db2
+} {1 {no such table: sqlite_user}}
+
+# Only an admin user can change another users login
+# credentials or admin privilege setting.
+#
+do_test userauth01-1.30 {
+  sqlite3_user_change db2 bob xyzzy-bob 1
+} {SQLITE_AUTH}
+do_test userauth01-1.31 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 bob 0 cindy 0 david 0}
+
+# The sqlite3_user_delete() interface can be used (by an admin user only)
+# to delete a user.
+#
+do_test userauth01-1.40 {
+  sqlite3_user_delete db bob
+} {SQLITE_OK}
+do_test userauth01-1.41 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 cindy 0 david 0}
+do_test userauth01-1.42 {
+  sqlite3_user_delete db2 cindy
+} {SQLITE_AUTH}
+do_test userauth01-1.43 {
+  sqlite3_user_delete db2 alice
+} {SQLITE_AUTH}
+do_test userauth01-1.44 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 cindy 0 david 0}
+
+# The currently logged-in user cannot be deleted
+#
+do_test userauth01-1.50 {
+  sqlite3_user_delete db alice
+} {SQLITE_AUTH}
+do_test userauth01-1.51 {
+  db eval {SELECT uname, isadmin FROM sqlite_user ORDER BY uname}
+} {alice 1 cindy 0 david 0}
 
 
 finish_test