diff --git a/poincare/src/parametered_expression.cpp b/poincare/src/parametered_expression.cpp
index 57bc73dcf..289c32d00 100644
--- a/poincare/src/parametered_expression.cpp
+++ b/poincare/src/parametered_expression.cpp
@@ -22,13 +22,16 @@ int ParameteredExpressionNode::getVariables(Context * context, isVariableTest is
   /* Remove the parameter symbol from the list of variable if it was added at
    * the previous line */
   const char * parameterName = ParameteredExpression(this).parameter().name();
-  for (int i = nextVariableIndex; i < numberOfVariables; i++) {
-    if (strcmp(parameterName, &variables[i]) == 0) {
-      variables[i] = 0;
+  for (int index = nextVariableIndex * maxSizeVariable; index < numberOfVariables * maxSizeVariable; index += maxSizeVariable) {
+    if (strcmp(parameterName, &variables[index]) == 0) {
+      memmove(&variables[index], &variables[index + maxSizeVariable], (numberOfVariables - nextVariableIndex) * maxSizeVariable);
       numberOfVariables--;
       break;
     }
   }
+  if (numberOfVariables < Expression::k_maxNumberOfVariables) {
+    variables[numberOfVariables * maxSizeVariable] = '\0';
+  }
   nextVariableIndex = numberOfVariables;
   static_assert(ParameteredExpression::ParameteredChildIndex() == 0 && ParameteredExpression::ParameterChildIndex() == 1,
       "ParameteredExpression::getVariables might not be valid");
diff --git a/poincare/test/expression_properties.cpp b/poincare/test/expression_properties.cpp
index c5883006a..57eaffdbf 100644
--- a/poincare/test/expression_properties.cpp
+++ b/poincare/test/expression_properties.cpp
@@ -346,6 +346,11 @@ QUIZ_CASE(poincare_properties_get_variables) {
   assert_expression_has_variables("diff(3x,x,0)y-2", variableBuffer8, 1);
   const char * variableBuffer9[] = {"a", "b", "c", "d", "e", "f"};
   assert_expression_has_variables("a+b+c+d+e+f", variableBuffer9, 6);
+
+  const char * variableBuffer10[] = {"c", "z", "a", "b", ""};
+  assert_expression_has_variables("int(c×x×z, x, a, b)", variableBuffer10, 4);
+  const char * variableBuffer11[] = {"box", "y", "z", "a", ""};
+  assert_expression_has_variables("box+y×int(z,x,a,0)", variableBuffer11, 4);
 }
 
 void assert_reduced_expression_has_polynomial_coefficient(const char * expression, const char * symbolName, const char ** coefficients, Preferences::ComplexFormat complexFormat = Cartesian, Preferences::AngleUnit angleUnit = Radian, Preferences::UnitFormat unitFormat = Metric, ExpressionNode::SymbolicComputation symbolicComputation = ReplaceAllDefinedSymbolsWithDefinition) {