diff --git a/stb_image.h b/stb_image.h
index 9eedabedc..20228cd97 100644
--- a/stb_image.h
+++ b/stb_image.h
@@ -108,7 +108,7 @@ RECENT REVISION HISTORY:
     Jonathan Blow           Ken Hamada         Tero Hanninen        github:svdijk
     Eugene Golushkov        Laurent Gomila     Cort Stratton        github:snagar
     Aruelien Pocheville     Sergio Gonzalez    Thibault Reuille     github:Zelex
-    Cass Everitt            Ryamond Barbiero                        github:grim210
+    Cass Everitt            Ryamond Barbiero   Philip Abbet         github:grim210
     Paul Du Bois            Engin Manap        Aldo Culquicondor    github:sammyhw
     Philipp Wiesemann       Dale Weiler        Oriol Ferrer Mesia   github:phprus
     Josh Tobin              Neil Bickford      Matthew Gregan       github:poppolopoppo
@@ -7529,6 +7529,21 @@ static void *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int req
       return stbi__errpuc("bad PNM", "PNM file truncated");
    }
 
+   // convert the image data from big-endian to platform-native
+   if (ri->bits_per_channel == 16) {
+      int i;
+      int img_len = s->img_n * s->img_x * s->img_y;
+      stbi_uc* src = (stbi_uc *) out;
+      stbi_us* dst = (stbi_us *) out;
+
+      for (i = 0; i < img_len; ++i)
+      {
+         *dst = (src[0] << 8) | src[1];
+         src += 2;
+         ++dst;
+      }
+   }
+
    if (req_comp && req_comp != s->img_n) {
       if (ri->bits_per_channel == 16) {
          out = (stbi_uc *) stbi__convert_format16((stbi__uint16 *) out, s->img_n, req_comp, s->img_x, s->img_y);
@@ -7985,4 +8000,4 @@ AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ------------------------------------------------------------------------------
-*/
+*/
\ No newline at end of file