diff --git a/src/process.c b/src/process.c
index 2881a35..c4ec622 100644
--- a/src/process.c
+++ b/src/process.c
@@ -14,7 +14,7 @@ bool replace(tSyntaxElement* tree, tProcessingData* pdata) {
 		if (tree->type == TOKEN)
 			if (strcmp(tree->content.string, pd->data.replace.replacethis) == 0) {
 				didreplace = true;
-				free(tree->content.string);
+				free(tree->content.none);
 				tSyntaxElement* clone = se_clone_no_next(pd->data.replace.replacewiththis, tree);
 				tree->content = clone->content;
 				tree->type = clone->type;
@@ -53,8 +53,10 @@ bool process_find(tSyntaxElement* tree, tProcessingData** p_pdata) {
 void process(tSyntaxElement* tree, tProcessingData* pdata) {
 	tProcessingData* pd = pdata;
 	bool deffound = false;
+	tProcessingData* firstpd = NULL;
 	if (pd == NULL) {
 		pd = calloc(1,sizeof(tProcessingData));
+		firstpd = pd;
 	}
 	deffound = process_find(tree, &pd);
 	if (tree->next != NULL) {
@@ -72,4 +74,8 @@ void process(tSyntaxElement* tree, tProcessingData* pdata) {
 				break;
 		}
 	}
+	if (pd != pdata)
+		free(pd);
+	if (firstpd != pd && firstpd != NULL)
+		free(firstpd);
 }