diff --git a/glm/detail/_swizzle.hpp b/glm/detail/_swizzle.hpp
index 8ee51d712d..2c9b5367b2 100644
--- a/glm/detail/_swizzle.hpp
+++ b/glm/detail/_swizzle.hpp
@@ -8,8 +8,8 @@ namespace detail
 	struct _swizzle_base0
 	{
 	protected:
-		GLM_FUNC_QUALIFIER T& elem(size_t i){ return (reinterpret_cast<T*>(_buffer))[i]; }
-		GLM_FUNC_QUALIFIER T const& elem(size_t i) const{ return (reinterpret_cast<const T*>(_buffer))[i]; }
+		GLM_FUNC_QUALIFIER T& elem(int i){ return (reinterpret_cast<T*>(_buffer))[i]; }
+		GLM_FUNC_QUALIFIER T const& elem(int i) const{ return (reinterpret_cast<const T*>(_buffer))[i]; }
 
 		// Use an opaque buffer to *ensure* the compiler doesn't call a constructor.
 		// The size 1 buffer is assumed to aligned to the actual members so that the
@@ -115,12 +115,12 @@ namespace detail
 
 		GLM_FUNC_QUALIFIER T& operator[](size_t i)
 		{
-			const std::size_t offset_dst[4] = { E0, E1, E2, E3 };
+			const int offset_dst[4] = { E0, E1, E2, E3 };
 			return this->elem(offset_dst[i]);
 		}
 		GLM_FUNC_QUALIFIER T operator[](size_t i) const
 		{
-			const std::size_t offset_dst[4] = { E0, E1, E2, E3 };
+			const int offset_dst[4] = { E0, E1, E2, E3 };
 			return this->elem(offset_dst[i]);
 		}