diff --git a/src/flextype/core/Entries/Expressions/CollectionExpression.php b/src/flextype/core/Entries/Expressions/CollectionExpression.php
index b8f3b731..070dab8e 100644
--- a/src/flextype/core/Entries/Expressions/CollectionExpression.php
+++ b/src/flextype/core/Entries/Expressions/CollectionExpression.php
@@ -32,10 +32,10 @@ class CollectionExpression implements ExpressionFunctionProviderInterface
         return [
             new ExpressionFunction('collection', fn($items = null) => '\Flextype\collection($items)', fn($arguments, $items = null) => collection($items)),
             new ExpressionFunction('collectionFromJson', fn(string $input, bool $assoc = true, int $depth = 512, int $flags = 0) => '\Flextype\ccollectionFromJson($input, $assoc, $depth, $flags)', fn($arguments, string $input, bool $assoc = true, int $depth = 512, int $flags = 0) => collectionFromJson($input, $assoc, $depth, $flags)),
-            new ExpressionFunction('collectionFromString', fn(string $string, string $separator) => '\Flextype\ccollectionFromString($string, $separator)', fn($arguments, string $string, string $separator) => collectionFromString($string, $separator)),
-            new ExpressionFunction('collectionWithRange', fn($low, $high, int $step = 1) => '\Flextype\ccollectionWithRange($low, $high, $step)', fn($arguments, $low, $high, int $step = 1) => collectionWithRange($low, $high, $step)),
-            new ExpressionFunction('collectionFromQueryString', fn(string $string) => '\Flextype\ccollectionFromQueryString($string)', fn($arguments, string $string) => collectionFromQueryString($string)),
-            new ExpressionFunction('filterCollection', fn($items = [], array $options = []) => '\Flextype\cfilterCollection($items, $options)', fn($arguments, $items = [], array $options = []) => filterCollection($items, $options)),
+            new ExpressionFunction('collectionFromString', fn(string $string, string $separator) => '\Flextype\collectionFromString($string, $separator)', fn($arguments, string $string, string $separator) => collectionFromString($string, $separator)),
+            new ExpressionFunction('collectionWithRange', fn($low, $high, int $step = 1) => '\Flextype\collectionWithRange($low, $high, $step)', fn($arguments, $low, $high, int $step = 1) => collectionWithRange($low, $high, $step)),
+            new ExpressionFunction('collectionFromQueryString', fn(string $string) => '\Flextype\collectionFromQueryString($string)', fn($arguments, string $string) => collectionFromQueryString($string)),
+            new ExpressionFunction('filterCollection', fn($items = [], array $options = []) => '\Flextype\filterCollection($items, $options)', fn($arguments, $items = [], array $options = []) => filterCollection($items, $options)),
         ];
     }
 }
\ No newline at end of file