diff --git a/CHANGES b/CHANGES
index c8d4ed8e7..6d94248d2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 0.10.4: (Future)
 Emulation fixes:
  - GBA SIO: Fix MULTI mode SIOCNT bit 7 writes on secondary GBAs (fixes mgba.io/i/3110)
+Other fixes:
+ - Updater: Fix updating appimage across filesystems
 Misc:
  - Vita: Add imc0 and xmc0 mount point support
 
diff --git a/src/feature/updater-main.c b/src/feature/updater-main.c
index becd9c2a3..e324e657f 100644
--- a/src/feature/updater-main.c
+++ b/src/feature/updater-main.c
@@ -250,7 +250,7 @@ int main(int argc, char* argv[]) {
 					// Cross-dev, need to copy manually
 					int infd = open(updateArchive, O_RDONLY);
 					int outfd = -1;
-					if (infd >= 0) {
+					if (infd < 0) {
 						ok = 2;
 					} else {
 						outfd = open(bin, O_CREAT | O_WRONLY | O_TRUNC, 0755);