--- crnlib/crn_miniz.cpp
+++ crnlib/crn_miniz.cpp
@@ -1892,7 +1892,7 @@
   *pLen_out = out_buf.m_size-41;
   {
     mz_uint8 pnghdr[41]={0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
-      0,0,(mz_uint8)(w>>8),(mz_uint8)w,0,0,(mz_uint8)(h>>8),(mz_uint8)h,8,"\0\0\04\02\06"[num_chans],0,0,0,0,0,0,0,
+      0,0,(mz_uint8)(w>>8),(mz_uint8)w,0,0,(mz_uint8)(h>>8),(mz_uint8)h,8,(mz_uint8)"\0\0\04\02\06"[num_chans],0,0,0,0,0,0,0,
       (mz_uint8)(*pLen_out>>24),(mz_uint8)(*pLen_out>>16),(mz_uint8)(*pLen_out>>8),(mz_uint8)*pLen_out,0x49,0x44,0x41,0x54};
     c=(mz_uint32)mz_crc32(MZ_CRC32_INIT,pnghdr+12,17); for (i=0; i<4; ++i, c<<=8) ((mz_uint8*)(pnghdr+29))[i]=(mz_uint8)(c>>24);
     memcpy(out_buf.m_pBuf, pnghdr, 41);
--- crnlib/crn_stb_image.cpp
+++ crnlib/crn_stb_image.cpp
@@ -3776,7 +3776,7 @@
          if (c1 != 2 || c2 != 2 || (len & 0x80)) {
             // not run-length encoded, so we have to actually use THIS data as a decoded
             // pixel (note this can't be a valid pixel--one of RGB must be >= 128)
-            stbi_uc rgbe[4] = { c1,c2,len, get8(s) };
+            stbi_uc rgbe[4] = { (stbi_uc)c1, (stbi_uc)c2, (stbi_uc)len, (stbi_uc)get8(s) };
             hdr_convert(hdr_data, rgbe, req_comp);
             i = 1;
             j = 0;