diff --git a/Code/Framework/AzCore/AzCore/Serialization/Json/BoolSerializer.cpp b/Code/Framework/AzCore/AzCore/Serialization/Json/BoolSerializer.cpp
index defe470bcf..3a9b5323b0 100644
--- a/Code/Framework/AzCore/AzCore/Serialization/Json/BoolSerializer.cpp
+++ b/Code/Framework/AzCore/AzCore/Serialization/Json/BoolSerializer.cpp
@@ -84,7 +84,7 @@ namespace AZ
 
         if (IsExplicitDefault(inputValue))
         {
-            *valAsBool = false;
+            *valAsBool = {};
             return context.Report(JSR::Tasks::ReadField, JSR::Outcomes::DefaultsUsed, "Boolean value set to default of 'false'.");
         }
 
diff --git a/Code/Framework/AzCore/AzCore/Serialization/Json/DoubleSerializer.cpp b/Code/Framework/AzCore/AzCore/Serialization/Json/DoubleSerializer.cpp
index be885dfaa9..0921587041 100644
--- a/Code/Framework/AzCore/AzCore/Serialization/Json/DoubleSerializer.cpp
+++ b/Code/Framework/AzCore/AzCore/Serialization/Json/DoubleSerializer.cpp
@@ -72,7 +72,7 @@ namespace AZ
 
             if (isExplicitDefault)
             {
-                *outputValue = 0.0f;
+                *outputValue = {};
                 return context.Report(JSR::Tasks::ReadField, JSR::Outcomes::DefaultsUsed, "Floating point value set to default of 0.0.");
             }
 
diff --git a/Code/Framework/AzCore/AzCore/Serialization/Json/IntSerializer.cpp b/Code/Framework/AzCore/AzCore/Serialization/Json/IntSerializer.cpp
index ebc99fd8c4..a6b1118ac1 100644
--- a/Code/Framework/AzCore/AzCore/Serialization/Json/IntSerializer.cpp
+++ b/Code/Framework/AzCore/AzCore/Serialization/Json/IntSerializer.cpp
@@ -67,7 +67,7 @@ namespace AZ
 
             if (isDefaultValue)
             {
-                *outputValue = 0;
+                *outputValue = {};
                 return context.Report(JSR::Tasks::ReadField, JSR::Outcomes::DefaultsUsed, "Integer value set to default of zero.");
             }