diff --git a/poincare/Makefile b/poincare/Makefile
index 228b06cb5..5dcb7d49e 100644
--- a/poincare/Makefile
+++ b/poincare/Makefile
@@ -248,6 +248,7 @@ tests += $(addprefix poincare/test/,\
   addition.cpp\
   arithmetic.cpp\
   binomial_coefficient_layout.cpp\
+  complex_to_expression.cpp\
   division.cpp\
   expression.cpp\
   factorial.cpp\
diff --git a/poincare/test/complex_to_expression.cpp b/poincare/test/complex_to_expression.cpp
index 720b51413..ee08e3c1b 100644
--- a/poincare/test/complex_to_expression.cpp
+++ b/poincare/test/complex_to_expression.cpp
@@ -78,8 +78,8 @@ QUIZ_CASE(poincare_complex_to_expression) {
 
   assert_parsed_expression_evaluates_to<float>("-2E100+2E100*I", "undef");
   assert_parsed_expression_evaluates_to<double>("-2E360+2E360*I", "undef");
-  assert_parsed_expression_evaluates_to<float>("-2E100+2E10*I", "undef");
-  assert_parsed_expression_evaluates_to<double>("-2E360+2*I", "undef");
+  assert_parsed_expression_evaluates_to<float>("-2E100+2E10*I", "-inf+2E10*I");
+  assert_parsed_expression_evaluates_to<double>("-2E360+2*I", "-inf+2*I");
   assert_parsed_expression_evaluates_to<float>("undef+2E100*I", "undef");
   assert_parsed_expression_evaluates_to<double>("-2E360+undef*I", "undef");