diff --git a/Source/Win32/Cxbx/WndAbout.cpp b/Source/Win32/Cxbx/WndAbout.cpp
index 2351dbb50..7b80b9025 100644
--- a/Source/Win32/Cxbx/WndAbout.cpp
+++ b/Source/Win32/Cxbx/WndAbout.cpp
@@ -98,10 +98,11 @@ LRESULT CALLBACK WndAbout::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
 
             // decompress jpeg, convert to bitmap resource
             {
-                HGLOBAL hRes = LoadResource(NULL, FindResource(NULL, MAKEINTRESOURCE(IDR_JPEG_ABOUT), "JPEG"));
+                HRSRC hSrc = FindResource(NULL, MAKEINTRESOURCE(IDR_JPEG_ABOUT), "JPEG");
+                HGLOBAL hRes = LoadResource(NULL, hSrc);
                 uint08 *jpgData = (uint08*)LockResource(hRes);
 
-                uint32 jpgFileSize = 0xC4F0 - 3;
+                uint32 jpgFileSize = SizeofResource(NULL, hSrc);
                 uint32 bmpFileSize = 0;
 
                 uint08 *bmpBuff = 0;
diff --git a/Source/Win32/Cxbx/WndMain.cpp b/Source/Win32/Cxbx/WndMain.cpp
index 678ce1760..cc4fa3143 100644
--- a/Source/Win32/Cxbx/WndMain.cpp
+++ b/Source/Win32/Cxbx/WndMain.cpp
@@ -247,10 +247,11 @@ LRESULT CALLBACK WndMain::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lP
 
                 // decompress jpeg, convert to bitmap resource
                 {
-                    HGLOBAL hRes = LoadResource(NULL, FindResource(NULL, MAKEINTRESOURCE(IDR_JPEG_SPLASH), "JPEG"));
+                    HRSRC hSrc = FindResource(NULL, MAKEINTRESOURCE(IDR_JPEG_SPLASH), "JPEG");
+                    HGLOBAL hRes = LoadResource(NULL, hSrc);
                     uint08 *jpgData = (uint08*)LockResource(hRes);
 
-                    uint32 jpgFileSize = 0xB8C0 - 4;
+                    uint32 jpgFileSize = SizeofResource(NULL, hSrc);
                     uint32 bmpFileSize = 0;
 
                     uint08 *bmpBuff = 0;