diff --git a/zokrates_parser/src/zokrates.pest b/zokrates_parser/src/zokrates.pest
index 63f22c1a..445da198 100644
--- a/zokrates_parser/src/zokrates.pest
+++ b/zokrates_parser/src/zokrates.pest
@@ -119,6 +119,6 @@ WHITESPACE = _{ " " | "\t" | "\\" ~ NEWLINE}
 COMMENT = _{ ("/*" ~ (!"*/" ~ ANY)* ~ "*/") | ("//" ~ (!NEWLINE ~ ANY)*) }
 
 // TODO: Order by alphabet
-keyword = @{"as"|"bool"|"byte"|"def"|"do"|"else"|"endfor"|"export"|"false"|"field"|"for"|"if"|"import"|
+keyword = @{"as"|"bool"|"byte"|"def"|"do"|"else"|"endfor"|"export"|"false"|"field"|"for"|"if"|"then"|"fi"|"import"|
             "in"|"private"|"public"|"return"|"struct"|"true"|"uint"
             }