diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index bb8c18e34..df30c1dae 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -154,7 +154,7 @@ const char *komodo_opreturn(int32_t height,uint64_t value,uint8_t *opretbuf,int3
     else
     {
         for (i=0; i<opretlen; i++)
-            printf("%02x",opretbuf[i])
+            printf("%02x",opretbuf[i]);
         printf(" komodo_opreturn[%c]: ht.%d %.8f opretlen.%d\n",opretbuf[0],height,dstr(value),opretlen);
         
         if ( opretbuf[0] == 'I' )