3 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc/gen/setflags.c b/lib/libc/gen/setflags.c
index 921d3c54b066..1bf582087ec9 100644
--- a/lib/libc/gen/setflags.c
+++ b/lib/libc/gen/setflags.c
@@ -94,7 +94,7 @@ flags_to_string(flags, def)
 			setflags &= ~mapping[i].flag;
 		}
 	}
-	*dp++ = '\0';
+	*dp = '\0';
 	return (dp == string && def != NULL ? def : string);
 }
 
diff --git a/lib/libc/gen/setflagsbyname.c b/lib/libc/gen/setflagsbyname.c
index 921d3c54b066..1bf582087ec9 100644
--- a/lib/libc/gen/setflagsbyname.c
+++ b/lib/libc/gen/setflagsbyname.c
@@ -94,7 +94,7 @@ flags_to_string(flags, def)
 			setflags &= ~mapping[i].flag;
 		}
 	}
-	*dp++ = '\0';
+	*dp = '\0';
 	return (dp == string && def != NULL ? def : string);
 }
 
diff --git a/lib/libc/gen/strtofflags.c b/lib/libc/gen/strtofflags.c
index 921d3c54b066..1bf582087ec9 100644
--- a/lib/libc/gen/strtofflags.c
+++ b/lib/libc/gen/strtofflags.c
@@ -94,7 +94,7 @@ flags_to_string(flags, def)
 			setflags &= ~mapping[i].flag;
 		}
 	}
-	*dp++ = '\0';
+	*dp = '\0';
 	return (dp == string && def != NULL ? def : string);
 }