diff --git a/CHANGES b/CHANGES
index 5452178e2..2e8cff791 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,7 @@
 Bugfixes:
  - GBA Video: Mark OAM dirty on reset (fixes mgba.io/i/1062)
  - GBA Hardware: Fix RTC overriding light sensor (fixes mgba.io/i/1069)
+ - GBA Savedata: Fix savedata modified time updating when read-only
 
 0.6.3: (2017-04-14)
 Bugfixes:
diff --git a/src/gba/savedata.c b/src/gba/savedata.c
index c8c6c8be7..e65b441a3 100644
--- a/src/gba/savedata.c
+++ b/src/gba/savedata.c
@@ -516,12 +516,14 @@ void GBASavedataClean(struct GBASavedata* savedata, uint32_t frameCount) {
 		if (savedata->maskWriteback) {
 			GBASavedataUnmask(savedata);
 		}
-		size_t size = GBASavedataSize(savedata);
-		savedata->dirty = 0;
-		if (savedata->data && savedata->vf->sync(savedata->vf, savedata->data, size)) {
-			mLOG(GBA_SAVE, INFO, "Savedata synced");
-		} else {
-			mLOG(GBA_SAVE, INFO, "Savedata failed to sync!");
+		if (savedata->mapMode & MAP_WRITE) {
+			size_t size = GBASavedataSize(savedata);
+			savedata->dirty = 0;
+			if (savedata->data && savedata->vf->sync(savedata->vf, savedata->data, size)) {
+				mLOG(GBA_SAVE, INFO, "Savedata synced");
+			} else {
+				mLOG(GBA_SAVE, INFO, "Savedata failed to sync!");
+			}
 		}
 	}
 }