diff --git a/poincare/src/simplify/expression_selector.cpp b/poincare/src/simplify/expression_selector.cpp
index edee3d613..a67b80769 100644
--- a/poincare/src/simplify/expression_selector.cpp
+++ b/poincare/src/simplify/expression_selector.cpp
@@ -16,7 +16,7 @@ int ExpressionSelector::match(Expression * e, ExpressionMatch * matches) {
         return 0;
       }
       break;
-    case ExpressionSelector::Match::WildCard:
+    case ExpressionSelector::Match::Wildcard:
       /* This should not happen as a wildcard should be matched _before_ */
       assert(false);
       break;
@@ -29,7 +29,7 @@ int ExpressionSelector::match(Expression * e, ExpressionMatch * matches) {
     ExpressionSelector * childSelector = this->child(i);
     Expression * childExpression = e->operand(i);
 
-    if (childSelector->m_match == ExpressionSelector::Match::WildCard) {
+    if (childSelector->m_match == ExpressionSelector::Match::Wildcard) {
       assert(i == m_numberOfChildren-1); // Wildcards should be the last argument!
       Expression * local_expr[255];
       for (int j=i; j<e->numberOfOperands(); j++) {
diff --git a/poincare/src/simplify/expression_selector.h b/poincare/src/simplify/expression_selector.h
index 79e7117aa..15fbaf0fe 100644
--- a/poincare/src/simplify/expression_selector.h
+++ b/poincare/src/simplify/expression_selector.h
@@ -14,7 +14,7 @@ public:
   enum class Match {
     Any,
     Type,
-    WildCard,
+    Wildcard,
   };
   ExpressionSelector * child(int i);
   /* The match function is interesting