diff --git a/Source/Engine/Core/Collections/Array.h b/Source/Engine/Core/Collections/Array.h
index f60d0dec1..e096992f8 100644
--- a/Source/Engine/Core/Collections/Array.h
+++ b/Source/Engine/Core/Collections/Array.h
@@ -52,7 +52,7 @@ public:
     /// Initializes a new instance of the <see cref="Array"/> class.
     /// </summary>
     /// <param name="capacity">The initial capacity.</param>
-    Array(int32 capacity)
+    explicit Array(int32 capacity)
         : _count(0)
         , _capacity(capacity)
     {
diff --git a/Source/Engine/Core/Collections/BitArray.h b/Source/Engine/Core/Collections/BitArray.h
index c62362780..70d51bac0 100644
--- a/Source/Engine/Core/Collections/BitArray.h
+++ b/Source/Engine/Core/Collections/BitArray.h
@@ -46,7 +46,7 @@ public:
     /// Initializes a new instance of the <see cref="BitArray"/> class.
     /// </summary>
     /// <param name="capacity">The initial capacity.</param>
-    BitArray(const int32 capacity)
+    explicit BitArray(const int32 capacity)
         : _count(0)
         , _capacity(capacity)
     {
diff --git a/Source/Engine/Core/Collections/Dictionary.h b/Source/Engine/Core/Collections/Dictionary.h
index 468025ffe..ad8793d36 100644
--- a/Source/Engine/Core/Collections/Dictionary.h
+++ b/Source/Engine/Core/Collections/Dictionary.h
@@ -149,7 +149,7 @@ public:
     /// Initializes a new instance of the <see cref="Dictionary"/> class.
     /// </summary>
     /// <param name="capacity">The initial capacity.</param>
-    Dictionary(const int32 capacity)
+    explicit Dictionary(const int32 capacity)
     {
         SetCapacity(capacity);
     }
diff --git a/Source/Engine/Core/Collections/HashSet.h b/Source/Engine/Core/Collections/HashSet.h
index 0be793d96..1c31eaef4 100644
--- a/Source/Engine/Core/Collections/HashSet.h
+++ b/Source/Engine/Core/Collections/HashSet.h
@@ -130,7 +130,7 @@ public:
     /// Initializes a new instance of the <see cref="HashSet"/> class.
     /// </summary>
     /// <param name="capacity">The initial capacity.</param>
-    HashSet(const int32 capacity)
+    explicit HashSet(const int32 capacity)
     {
         SetCapacity(capacity);
     }
diff --git a/Source/Engine/Renderer/RenderListBuffer.h b/Source/Engine/Renderer/RenderListBuffer.h
index d12c430f1..50f6ed519 100644
--- a/Source/Engine/Renderer/RenderListBuffer.h
+++ b/Source/Engine/Renderer/RenderListBuffer.h
@@ -42,7 +42,7 @@ public:
     /// Initializes a new instance of the <see cref="RenderListBuffer"/> class.
     /// </summary>
     /// <param name="capacity">The initial capacity.</param>
-    RenderListBuffer(int32 capacity)
+    explicit RenderListBuffer(int32 capacity)
         : _count(0)
         , _capacity(capacity)
     {