diff --git a/apps/sequence/sequence.cpp b/apps/sequence/sequence.cpp
index e700ce607..5155d1069 100644
--- a/apps/sequence/sequence.cpp
+++ b/apps/sequence/sequence.cpp
@@ -87,6 +87,9 @@ uint32_t Sequence::checksum() {
   strlcpy(data, text(), TextField::maxBufferSize());
   strlcpy(data+TextField::maxBufferSize(), firstInitialConditionText(), TextField::maxBufferSize());
   strlcpy(data+2*TextField::maxBufferSize(), secondInitialConditionText(), TextField::maxBufferSize());
+  data[k_dataLengthInBytes-3] = (char)m_type;
+  data[k_dataLengthInBytes-2] = name()!= nullptr ? name()[0] : 0;
+  data[k_dataLengthInBytes-1] = isActive() ? 1 : 0;
   return Ion::crc32((uint32_t *)data, k_dataLengthInBytes>>2);
 }
 
diff --git a/apps/sequence/sequence.h b/apps/sequence/sequence.h
index 359118379..42c58661d 100644
--- a/apps/sequence/sequence.h
+++ b/apps/sequence/sequence.h
@@ -43,7 +43,7 @@ public:
 private:
   constexpr static int k_maxRecurrentRank = 10000;
   constexpr static float k_maxNumberOfTermsInSum = 100000.0f;
-  constexpr static size_t k_dataLengthInBytes = 3*TextField::maxBufferSize()*sizeof(char);
+  constexpr static size_t k_dataLengthInBytes = (3*TextField::maxBufferSize()+3)*sizeof(char)+1;
   static_assert((k_dataLengthInBytes & 0x3) == 0, "The sequence data size is not a multiple of 4 bytes (cannot compute crc)"); // Assert that dataLengthInBytes is a multiple of 4
   char symbol() const override;
   Type m_type;
diff --git a/apps/shared/function.cpp b/apps/shared/function.cpp
index 7e73f7fd2..541a92ba6 100644
--- a/apps/shared/function.cpp
+++ b/apps/shared/function.cpp
@@ -29,6 +29,8 @@ Function& Function::operator=(const Function& other) {
 uint32_t Function::checksum() {
   char data[k_dataLengthInBytes/sizeof(char)] = {};
   strlcpy(data, m_text, TextField::maxBufferSize());
+  data[k_dataLengthInBytes-2] = m_name != nullptr ? m_name[0] : 0;
+  data[k_dataLengthInBytes-1] = m_active ? 1 : 0;
   return Ion::crc32((uint32_t *)data, k_dataLengthInBytes>>2);
 }
 
diff --git a/apps/shared/function.h b/apps/shared/function.h
index f03d75fb6..aadd1024f 100644
--- a/apps/shared/function.h
+++ b/apps/shared/function.h
@@ -32,7 +32,7 @@ public:
 protected:
   mutable Poincare::Expression * m_expression;
 private:
-  constexpr static size_t k_dataLengthInBytes = TextField::maxBufferSize()*sizeof(char);
+  constexpr static size_t k_dataLengthInBytes = (TextField::maxBufferSize()+2)*sizeof(char)+2;
   static_assert((k_dataLengthInBytes & 0x3) == 0, "The function data size is not a multiple of 4 bytes (cannot compute crc)"); // Assert that dataLengthInBytes is a multiple of 4
   virtual char symbol() const = 0;
   char m_text[TextField::maxBufferSize()];