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-rw-r--r--converter/pbm/pbmtoepson.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/converter/pbm/pbmtoepson.c b/converter/pbm/pbmtoepson.c
index 762c6858..8e9d75a9 100644
--- a/converter/pbm/pbmtoepson.c
+++ b/converter/pbm/pbmtoepson.c
@@ -69,7 +69,7 @@ parseCommandLine(int                 argc,
     MALLOCARRAY_NOFAIL(option_def, 100);
 
     option_def_index = 0;   /* incremented by OPTENT3 */
-    OPTENT3(0, "protocol",   OPT_UINT,   &protocol,
+    OPTENT3(0, "protocol",   OPT_STRING,   &protocol,
             &protocolSpec,                    0);
     OPTENT3(0, "dpi",        OPT_UINT,   &cmdlineP->dpi,
             &dpiSpec,                    0);