diff --git a/src/ArduinoJson/Json/JsonDeserializer.hpp b/src/ArduinoJson/Json/JsonDeserializer.hpp
index a1012727..696870b3 100644
--- a/src/ArduinoJson/Json/JsonDeserializer.hpp
+++ b/src/ArduinoJson/Json/JsonDeserializer.hpp
@@ -534,14 +534,14 @@ class JsonDeserializer {
           return DeserializationError::NoMemory;
 
       case NumberType::Float:
-        if (VariantImpl(result, resources_).setFloat(number.asFloat()))
+        if (VariantImpl::setFloat(number.asFloat(), result, resources_))
           return DeserializationError::Ok;
         else
           return DeserializationError::NoMemory;
 
 #if ARDUINOJSON_USE_DOUBLE
       case NumberType::Double:
-        if (VariantImpl(result, resources_).setFloat(number.asDouble()))
+        if (VariantImpl::setFloat(number.asDouble(), result, resources_))
           return DeserializationError::Ok;
         else
           return DeserializationError::NoMemory;
diff --git a/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp b/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
index a42092ab..4077e243 100644
--- a/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
+++ b/src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp
@@ -257,7 +257,7 @@ class MsgPackDeserializer {
       return err;
 
     fixEndianness(value);
-    VariantImpl(variant, resources_).setFloat(value);
+    VariantImpl::setFloat(value, variant, resources_);
 
     return DeserializationError::Ok;
   }
@@ -273,7 +273,7 @@ class MsgPackDeserializer {
       return err;
 
     fixEndianness(value);
-    if (VariantImpl(variant, resources_).setFloat(value))
+    if (VariantImpl::setFloat(value, variant, resources_))
       return DeserializationError::Ok;
     else
       return DeserializationError::NoMemory;
@@ -293,7 +293,7 @@ class MsgPackDeserializer {
 
     doubleToFloat(i, o);
     fixEndianness(value);
-    VariantImpl(variant, resources_).setFloat(value);
+    VariantImpl::setFloat(value, variant, resources_);
 
     return DeserializationError::Ok;
   }
diff --git a/src/ArduinoJson/Variant/VariantData.hpp b/src/ArduinoJson/Variant/VariantData.hpp
index e9ebbe89..72741243 100644
--- a/src/ArduinoJson/Variant/VariantData.hpp
+++ b/src/ArduinoJson/Variant/VariantData.hpp
@@ -424,17 +424,25 @@ class VariantImpl {
   }
 
   template <typename T>
-  enable_if_t<sizeof(T) == 4, bool> setFloat(T value) {
-    ARDUINOJSON_ASSERT(type() == VariantType::Null);  // must call clear() first
+  bool setFloat(T value) {
     if (!data_)
       return false;
+    return setFloat(value, data_, resources_);
+  }
+
+  template <typename T>
+  static enable_if_t<sizeof(T) == 4, bool> setFloat(T value, VariantData* data_,
+                                                    ResourceManager*) {
+    ARDUINOJSON_ASSERT(data_ != nullptr);
+    ARDUINOJSON_ASSERT(data_->type == VariantType::Null);
     data_->type = VariantType::Float;
     data_->content.asFloat = value;
     return true;
   }
 
   template <typename T>
-  enable_if_t<sizeof(T) == 8, bool> setFloat(T value);
+  static enable_if_t<sizeof(T) == 8, bool> setFloat(
+      T value, VariantData* data_, ResourceManager* resources_);
 
   template <typename T>
   bool setInteger(T value) {
diff --git a/src/ArduinoJson/Variant/VariantImpl.hpp b/src/ArduinoJson/Variant/VariantImpl.hpp
index 30e1b4aa..d21c84b2 100644
--- a/src/ArduinoJson/Variant/VariantImpl.hpp
+++ b/src/ArduinoJson/Variant/VariantImpl.hpp
@@ -70,11 +70,11 @@ inline const EightByteValue* VariantImpl::getEightByte() const {
 #endif
 
 template <typename T>
-enable_if_t<sizeof(T) == 8, bool> VariantImpl::setFloat(T value) {
-  ARDUINOJSON_ASSERT(isNull());  // must call clear() first
-
-  if (!data_)
-    return false;
+enable_if_t<sizeof(T) == 8, bool> VariantImpl::setFloat(
+    T value, VariantData* data_, ResourceManager* resources_) {
+  ARDUINOJSON_ASSERT(data_ != nullptr);
+  ARDUINOJSON_ASSERT(data_->type == VariantType::Null);
+  ARDUINOJSON_ASSERT(resources_ != nullptr);
 
   float valueAsFloat = static_cast<float>(value);