diff --git a/tl.lua b/tl.lua
index 60ef07e86..f036d07e7 100644
--- a/tl.lua
+++ b/tl.lua
@@ -181,9 +181,9 @@ do
       fmod: function(integer, integer): integer
       fmod: function(number, number): number
 
-      frexp: function(number): number, number
+      frexp: function(number): number, integer
       huge: number
-      ldexp: function(number, number): number
+      ldexp: function(number, integer): number
       log: function(number, ? number): number
       log10: function(number): number
 
diff --git a/tl.tl b/tl.tl
index 32d6cf683..4d1aa2edf 100644
--- a/tl.tl
+++ b/tl.tl
@@ -181,9 +181,9 @@ do
       fmod: function(integer, integer): integer
       fmod: function(number, number): number
 
-      frexp: function(number): number, number
+      frexp: function(number): number, integer
       huge: number
-      ldexp: function(number, number): number
+      ldexp: function(number, integer): number
       log: function(number, ? number): number
       log10: function(number): number