1 files changed, 11 insertions, 1 deletions

diff --git a/src/image.c b/src/image.c
index ad0143be48b..a7a94165282 100644
--- a/src/image.c
+++ b/src/image.c
@@ -5465,7 +5465,17 @@ pbm_load (struct frame *f, struct image *img)
                 c <<= 1;
               }
             else
-              g = pbm_scan_number (&p, end);
+              {
+                int c = 0;
+                /* Skip white-space and comments.  */
+                while ((c = pbm_next_char (&p, end)) != -1 && c_isspace (c))
+                  ;
+
+                if (c == '0' || c == '1')
+                  g = c - '0';
+                else
+                  g = 0;
+              }
 
 #ifdef USE_CAIRO
             *dataptr++ = g ? fga32 : bga32;