diff --git a/test/float.cpp b/test/float.cpp
index ef8acd9..83fe734 100644
--- a/test/float.cpp
+++ b/test/float.cpp
@@ -41,9 +41,9 @@ bool accurate(double a, double b, double err) {
 	else return false;
 }
 
-PRG prg;
 template<typename Op, typename Op2>
 void test_float(double precision, int runs = 1000) {
+	PRG prg;
 	for(int i = 0; i < runs; ++i) {
 		int ia = 0, ib = 0;
 		prg.random_data(&ia, 4);
diff --git a/test/mitccrh.cpp b/test/mitccrh.cpp
index 74e7208..504dec8 100644
--- a/test/mitccrh.cpp
+++ b/test/mitccrh.cpp
@@ -4,7 +4,7 @@
 using namespace std;
 using namespace emp;
 
-void print_keys(AES_KEY key) {
+void print_keys(AES_KEY& key) {
 	cout << "round keys\n";
 	for(int i = 0; i < 11; i++) {
 		cout << key.rd_key[i]<<endl;