diff --git a/src/process.c b/src/process.c
index e7c2989..7071998 100644
--- a/src/process.c
+++ b/src/process.c
@@ -28,6 +28,8 @@ bool replace(tSyntaxElement* tree, tProcessingData* pdata) {
 				tree->content = clone->content;
 				tree->type = clone->type;
 
+				free(clone);
+
 			}
 
 		if (pd->prev != NULL)