diff --git a/src/libvterm/bin/unterm.c b/src/libvterm/bin/unterm.c
index b8fe37c..3af2ecf 100644
--- a/src/libvterm/bin/unterm.c
+++ b/src/libvterm/bin/unterm.c
@@ -95,8 +95,8 @@
             sgr[sgri++] = 90 + (index - 8);
           else {
             sgr[sgri++] = 38;
-            sgr[sgri++] = 5 | (1<<31);
-            sgr[sgri++] = index | (1<<31);
+            sgr[sgri++] = 5 | CSI_ARG_FLAG_MORE;
+            sgr[sgri++] = index | CSI_ARG_FLAG_MORE;
           }
         }
 
@@ -112,8 +112,8 @@
             sgr[sgri++] = 100 + (index - 8);
           else {
             sgr[sgri++] = 48;
-            sgr[sgri++] = 5 | (1<<31);
-            sgr[sgri++] = index | (1<<31);
+            sgr[sgri++] = 5 | CSI_ARG_FLAG_MORE;
+            sgr[sgri++] = index | CSI_ARG_FLAG_MORE;
           }
         }
 
@@ -125,9 +125,9 @@
 	  int i;
 	  for(i = 0; i < sgri; i++)
 	    printf(!i               ? "%d" :
-		sgr[i] & (1<<31) ? ":%d" :
+		CSI_ARG_HAS_MORE(sgr[i]) ? ":%d" :
 		";%d",
-		sgr[i] & ~(1<<31));
+		CSI_ARG(sgr[i]));
 	}
         printf("m");
       }
@@ -283,5 +283,6 @@
   close(fd);
 
   vterm_free(vt);
+
   return 0;
 }