--- src/kmk/kmkbuiltin/install.c
+++ src/kmk/kmkbuiltin/install.c
@@ -890,6 +890,7 @@ strip(const char *to_name)
 		(void)unlink(to_name);
 		errno = serrno;
 		err(EX_TEMPFAIL, "fork");
+                return errno;
 	case 0:
 		stripbin = getenv("STRIPBIN");
 		if (stripbin == NULL)
@@ -905,6 +906,7 @@ strip(const char *to_name)
 			/* NOTREACHED */
 		}
 	}
+        return 0;
 #endif
 }