diff --git a/src/deh_tables.c b/src/deh_tables.c
index 5733d9b0ede7466fab11fc0db2094f12d5f3d45b..926ca805cef553c1e49bcb9d7cb324ca60b0a16f 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -4794,6 +4794,7 @@ struct int_const_s const INT_CONST[] = {
 
 	// fixed_t constants, from m_fixed.h
 	{"FRACUNIT",FRACUNIT},
+	{"FU"      ,FRACUNIT},
 	{"FRACBITS",FRACBITS},
 
 	// doomdef.h constants
diff --git a/src/lua_mathlib.c b/src/lua_mathlib.c
index 7cbe7a6cc9bbc579d47ff6f6a03ab3f2ad6b5ef4..10ba42ee0b78e2f834a4748edcd4deb6176fab4f 100644
--- a/src/lua_mathlib.c
+++ b/src/lua_mathlib.c
@@ -192,18 +192,30 @@ static luaL_Reg lib[] = {
 	{"cos", lib_finecosine},
 	{"tan", lib_finetangent},
 	{"FixedAngle", lib_fixedangle},
+	{"fixangle"  , lib_fixedangle},
 	{"AngleFixed", lib_anglefixed},
+	{"anglefix"  , lib_anglefixed},
 	{"InvAngle", lib_invangle},
 	{"FixedMul", lib_fixedmul},
+	{"fixmul"  , lib_fixedmul},
 	{"FixedInt", lib_fixedint},
+	{"fixint"  , lib_fixedint},
 	{"FixedDiv", lib_fixeddiv},
+	{"fixdiv"  , lib_fixeddiv},
 	{"FixedRem", lib_fixedrem},
+	{"fixrem"  , lib_fixedrem},
 	{"FixedSqrt", lib_fixedsqrt},
+	{"fixsqrt"  , lib_fixedsqrt},
 	{"FixedHypot", lib_fixedhypot},
+	{"fixhypot"  , lib_fixedhypot},
 	{"FixedFloor", lib_fixedfloor},
+	{"fixfloor"  , lib_fixedfloor},
 	{"FixedTrunc", lib_fixedtrunc},
+	{"fixtrunc"  , lib_fixedtrunc},
 	{"FixedCeil", lib_fixedceil},
+	{"fixceil"  , lib_fixedceil},
 	{"FixedRound", lib_fixedround},
+	{"fixround"  , lib_fixedround},
 	{"GetSecSpecial", lib_getsecspecial},
 	{"All7Emeralds", lib_all7emeralds},
 	{"ColorOpposite", lib_coloropposite},