diff --git a/dwmblocks.c b/dwmblocks.c
index 9ea62cb..6589ae1 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -273,7 +273,7 @@ writepid()
                         fputs("Error: another instance of dwmblocks is already running.\n", stderr);
                         exit(2);
                 }
-                perror("lockfile - fcntl");
+                perror("writepid - fcntl");
                 exit(1);
         }
         if (ftruncate(fd, 0) == -1) {