diff --git a/src/dj.c b/src/dj.c
index e4ddd71..ad1dc49 100644
--- a/src/dj.c
+++ b/src/dj.c
@@ -108,8 +108,10 @@ Io_write(struct Io *io) {
 }
 
 static int
-oserr(char *e, int n) {
-	(void)fprintf(stderr, "%s: %s: %s\n", program_name, e, strerror(n));
+oserr(char *e, int n) { /* program_name: [failing component:] error */
+	(void)fprintf(stderr, "%s: ", program_name);
+	if (e != NULL) { (void)fprintf(stderr, "%s: ", e); }
+	(void)fprintf(stderr, "%s\n", strerror(n));
 
 	return EX_OSERR;
 }
@@ -170,7 +172,7 @@ usage(char *argv0) {
 int main(int argc, char *argv[]) {
 #ifdef __OpenBSD__
 	if (pledge("cpath rpath stdio unveil wpath", NULL) == -1) {
-		return oserr("pledge", errno);
+		return oserr(NULL", errno);
 	}
 #endif
 
@@ -222,7 +224,7 @@ int main(int argc, char *argv[]) {
 						if (i == 0) { perms = "r"; }
 
 						if (unveil(optarg, perms) == -1) {
-							return oserr("unveil", errno);
+							return oserr(NULL, errno);
 						}
 #endif
 
@@ -266,7 +268,7 @@ int main(int argc, char *argv[]) {
 		}
 	}
 #ifdef __OpenBSD__
-	if (unveil(NULL, NULL) == -1) { return oserr("unveil", errno); }
+	if (unveil(NULL, NULL) == -1) { return oserr(NULL, errno); }
 #endif
 
 	assert(io->fd != STDIN_FILENO  || io->fl == read_flags);