diff --git a/openVulkanoCpp/IO/Files/Pfm.hpp b/openVulkanoCpp/IO/Files/Pfm.hpp
index d768d49..e55af44 100644
--- a/openVulkanoCpp/IO/Files/Pfm.hpp
+++ b/openVulkanoCpp/IO/Files/Pfm.hpp
@@ -84,16 +84,22 @@ namespace openVulkanoCpp
 		{
 			return GetElementCount() * sizeof(float);
 		}
+	};
 
-		static std::pair<PfmHeader, std::unique_ptr<float[]>> ReadImage(std::istream& inStream)
+	struct PfmImage
+	{
+		PfmHeader header;
+		std::unique_ptr<float[]> image;
+
+		static PfmImage ReadImage(std::istream& inStream)
 		{
-			std::pair<PfmHeader, std::unique_ptr<float[]>> image;
-			inStream >> image.first;
-			size_t size = image.first.GetElementCount();
+			PfmImage image;
+			inStream >> image.header;
+			size_t size = image.header.GetElementCount();
 
-			if (Utils::IsLittleEndian() != image.first.littleEndian)
+			if (Utils::IsLittleEndian() != image.header.littleEndian)
 			{
-				char* data = reinterpret_cast<char*>(image.second.get());
+				char* data = reinterpret_cast<char*>(image.image.get());
 				for(size_t i = 0; i < size; i++)
 				{
 					size_t idx = i * sizeof(float);
@@ -101,9 +107,9 @@ namespace openVulkanoCpp
 				}
 			}
 
-			image.second = std::make_unique<float[]>(size);
-			inStream.read(reinterpret_cast<char*>(image.second.get()), size);
+			image.image = std::make_unique<float[]>(size);
+			inStream.read(reinterpret_cast<char*>(image.image.get()), size);
 			return image;
-		};
+		}
 	};
 }
\ No newline at end of file
diff --git a/openVulkanoCpp/IO/Files/Pnm.hpp b/openVulkanoCpp/IO/Files/Pnm.hpp
index bd8a606..e402c1b 100644
--- a/openVulkanoCpp/IO/Files/Pnm.hpp
+++ b/openVulkanoCpp/IO/Files/Pnm.hpp
@@ -103,19 +103,25 @@ namespace openVulkanoCpp
 			}
 			return size;
 		}
+	};
 
-		static std::pair<PnmHeader, std::unique_ptr<char[]>> ReadImage(std::istream& inStream)
+	struct PnmImage
+	{
+		PnmHeader header;
+		std::unique_ptr<char[]> image;
+
+		static PnmImage ReadImage(std::istream& inStream)
 		{
-			std::pair<PnmHeader, std::unique_ptr<char[]>> image;
-			inStream >> image.first;
+			PnmImage image;
+			inStream >> image.header;
 
 			// TODO handle ascii mode
-			if (image.first.ascii) throw std::runtime_error("ascii mode not supported!");
+			if (image.header.ascii) throw std::runtime_error("ascii mode not supported!");
 
-			size_t size = image.first.GetImageSize();
-			image.second = std::make_unique<char[]>(size);
-			inStream.read(image.second.get(), size);
+			size_t size = image.header.GetImageSize();
+			image.image = std::make_unique<char[]>(size);
+			inStream.read(image.image.get(), size);
 			return image;
-		};
+		}
 	};
 }