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-rw-r--r--converter/pgm/sbigtopgm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/converter/pgm/sbigtopgm.c b/converter/pgm/sbigtopgm.c
index 1a677db8..0a6ba268 100644
--- a/converter/pgm/sbigtopgm.c
+++ b/converter/pgm/sbigtopgm.c
@@ -63,7 +63,7 @@ parseCommandLine(int argc, const char ** argv,
     pm_optParseOptions3(&argc, (char **)argv, opt, sizeof(opt), 0);
         /* Uses and sets argc, argv, and some of *cmdlineP and others */
 
-    if (argc-1 < 0)
+    if (argc-1 < 1)
         cmdlineP->inputFileName = "-";
     else {
         cmdlineP->inputFileName = argv[1];