diff --git a/doc/fixes3-7-0.txt b/doc/fixes3-7-0.txt
index cf035bf33..040600e43 100644
--- a/doc/fixes3-7-0.txt
+++ b/doc/fixes3-7-0.txt
@@ -1529,6 +1529,7 @@ hallucination can display objects on the map that have a description (for
 	shuffling into play at game start) but no name; examining those might
 	trigger a crash
 some food and paper items do no damage when bashing
+improved messages for oilskin sacks protecting from water damage
 
 
 Fixes to 3.7.0-x General Problems Exposed Via git Repository
diff --git a/src/trap.c b/src/trap.c
index 21adb2314..46c0e1266 100644
--- a/src/trap.c
+++ b/src/trap.c
@@ -4663,8 +4663,8 @@ water_damage(
         water_damage_chain(obj->cobj, FALSE);
         return ER_DAMAGED; /* contents were damaged */
     } else if (Waterproof_container(obj)) {
-        if (in_invent) {
-            pline_The("%s slides right off your %s.", hliquid("water"), ostr);
+        if (in_invent && !Blind && !Underwater) {
+            pline_The("%s cannot get into your %s.", hliquid("water"), ostr);
             gm.mentioned_water = !Hallucination;
             makeknown(obj->otyp); /* if an oilskin sack, discover it; doesn't
                                    * matter for chest, large box, ice box */