diff --git a/openVulkanoCpp/IO/Files/Pfm.hpp b/openVulkanoCpp/IO/Files/Pfm.hpp
index 301da76..42dbb59 100644
--- a/openVulkanoCpp/IO/Files/Pfm.hpp
+++ b/openVulkanoCpp/IO/Files/Pfm.hpp
@@ -107,7 +107,7 @@ namespace openVulkanoCpp
 			}
 
 			image = std::make_unique<float[]>(size);
-			inStream.read(reinterpret_cast<char*>(image.get()), size);
+			inStream.read(reinterpret_cast<char*>(image.get()), size * sizeof(float));
 		}
 
 		static PfmImage ReadImage(std::istream& inStream)
diff --git a/openVulkanoCpp/IO/Files/Pnm.hpp b/openVulkanoCpp/IO/Files/Pnm.hpp
index 991ab64..e3df002 100644
--- a/openVulkanoCpp/IO/Files/Pnm.hpp
+++ b/openVulkanoCpp/IO/Files/Pnm.hpp
@@ -63,10 +63,15 @@ namespace openVulkanoCpp
 			return value;
 		}
 
+		[[nodiscard]] constexpr char GetMagicNumberChar() const
+		{
+			return '0' + static_cast<char>(GetMagicNumberValue());
+		}
+
 		friend std::ostream& operator<< (std::ostream& outStream, const PnmHeader& pnmHeader)
 		{
 			outStream << 'P';
-			outStream << ('0' + pnmHeader.GetMagicNumberValue());
+			outStream << pnmHeader.GetMagicNumberChar();
 			outStream << '\n';
 			outStream << pnmHeader.width << ' ' << pnmHeader.height << '\n';
 			outStream << pnmHeader.maxValue << '\n';
@@ -81,7 +86,7 @@ namespace openVulkanoCpp
 			uint8_t val = marker[1] - '0';
 			if (val > 6) throw std::runtime_error("Malformed PNM header!");
 			pnmHeader.ascii = val < 4;
-			pnmHeader.color = static_cast<ColorMode>(val & 0x11);
+			pnmHeader.color = static_cast<ColorMode>(val - 3);
 			inStream >> pnmHeader.width >> pnmHeader.height;
 			inStream >> pnmHeader.maxValue;
 			inStream.get();