diff --git a/poincare/test/integer.cpp b/poincare/test/integer.cpp
index 018de24ea..964fc49d9 100644
--- a/poincare/test/integer.cpp
+++ b/poincare/test/integer.cpp
@@ -11,6 +11,7 @@ static inline Integer MaxInteger() { return Integer(MaxIntegerString); }
 static inline Integer OverflowedInteger() { return Integer(OverflowedIntegerString); }
 
 QUIZ_CASE(poincare_integer_constructor) {
+  int initialPoolSize = pool_size();
   Integer staticZero;
   Integer a("123");
   Integer na("-123");
@@ -21,7 +22,7 @@ QUIZ_CASE(poincare_integer_constructor) {
   Integer d((int64_t)1234567891011121314);
   Integer nd((int64_t)(-1234567891011121314));
   Integer e = Integer::Overflow();
-  assert_pool_size(9);
+  assert_pool_size(initialPoolSize+9);
 }
 
 static inline void assert_equal(const Integer i, const Integer j) {
diff --git a/poincare/test/parser.cpp b/poincare/test/parser.cpp
index 0b30760fb..08eec5609 100644
--- a/poincare/test/parser.cpp
+++ b/poincare/test/parser.cpp
@@ -9,9 +9,9 @@
 using namespace Poincare;
 
 QUIZ_CASE(poincare_parser) {
-  assert_pool_size(0);
+  int initialPoolSize = pool_size();
   assert_parsed_expression_type("2+3", ExpressionNode::Type::Addition);
-  assert_pool_size(0);
+  assert_pool_size(initialPoolSize);
 #if 0
   assert_parsed_expression_evaluates_to<float>("-2-3", "-5");
   assert_parsed_expression_evaluates_to<float>("1.2*X^(1)", "3.261938");
diff --git a/poincare/test/rational.cpp b/poincare/test/rational.cpp
index 17200cfaf..cca3c90ce 100644
--- a/poincare/test/rational.cpp
+++ b/poincare/test/rational.cpp
@@ -7,13 +7,14 @@
 using namespace Poincare;
 
 QUIZ_CASE(poincare_rational_constructor) {
+  int initialPoolSize = pool_size();
   Rational a(Integer("123"), Integer("324"));
   Rational b(Integer("3456"));
   Rational c(123,324);
   Rational d(3456789);
   Rational e(Integer::Overflow());
   Rational f(Integer::Overflow(), Integer::Overflow());
-  assert_pool_size(6);
+  assert_pool_size(initialPoolSize+6);
 }
 
 static inline void assert_equal(const Rational i, const Rational j) {