about summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--converter/pgm/sbigtopgm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/converter/pgm/sbigtopgm.c b/converter/pgm/sbigtopgm.c
index ff009f00..c49a4165 100644
--- a/converter/pgm/sbigtopgm.c
+++ b/converter/pgm/sbigtopgm.c
@@ -123,8 +123,8 @@ main(int argc, char ** argv) {
         char *cp = strchr(hdr, '\n');
 
         if (cp == NULL) {
-            pm_error("malformed SBIG file header at character %lu",
-                     hdr - header);
+            pm_error("malformed SBIG file header at character %u",
+                     (unsigned)(hdr - header));
         }
         *cp = '\0';
         if (strncmp(hdr, "ST-", 3) == 0) {