diff --git a/src/lua.rs b/src/lua.rs
index 12668c2..71bdda8 100644
--- a/src/lua.rs
+++ b/src/lua.rs
@@ -27,6 +27,7 @@ fn translate_operator(ctx: code::Builder, op: String) -> code::Builder {
                 b'#' => "bang",
                 b'$' => "dollar",
                 b'^' => "power",
+                b':' => "colon",
                 _ => panic!(
                     "Error! Unexpected operator {} to be translated as a function!",
                     ch
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 99b2ccc..8457b1d 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -168,7 +168,7 @@ peg::parser! {
             left:(@) _ value:$(">>") _ right:@ { BinaryExpression { left, right, operator: Operator(value.into()) }.into() }
             --
             // Extra logic:
-            left:(@) _ value:$(['^'|'+'|'-'|'*'|'/'|'.'|'|'|'>'|'<'|'='|'?'|'!'|'~'|'%'|'&'|'#'|'$']+) _ right:@ {
+            left:(@) _ value:$(['^'|'+'|'-'|'*'|'/'|'.'|'|'|'>'|'<'|'='|'?'|'!'|'~'|'%'|'&'|'#'|'$'|':']+) _ right:@ {
                 BinaryExpression { left, right, operator: Operator(value.into()) }.into()
             }
             --