diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index 72324fdb..3d3008bf 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -170,10 +170,7 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
         group = opcode.read(Default::group);
         break;
     case hash("off_by"): // also offby
-        if (opcode.value == "-1")
-            offBy.reset();
-        else
-            offBy = opcode.read(Default::group);
+        offBy = opcode.readOptional(Default::group);
         break;
     case hash("off_mode"): // also offmode
          offMode = opcode.read(Default::offMode);
@@ -189,16 +186,7 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
         notePolyphony = opcode.read(Default::notePolyphony);
         break;
     case hash("note_selfmask"):
-        switch (hash(opcode.value)) {
-        case hash("on"):
-            selfMask = SelfMask::mask;
-            break;
-        case hash("off"):
-            selfMask = SelfMask::dontMask;
-            break;
-        default:
-            DBG("Unkown self mask value:" << opcode.value);
-        }
+        selfMask = opcode.read(Default::selfMask);
         break;
     case hash("rt_dead"):
         rtDead = opcode.read(Default::rtDead);
diff --git a/src/sfizz/Region.h b/src/sfizz/Region.h
index 4b3ee6c2..d8d6368e 100644
--- a/src/sfizz/Region.h
+++ b/src/sfizz/Region.h
@@ -474,7 +474,7 @@ struct Region {
     bool bpmSwitched { true };
     bool aftertouchSwitched { true };
     std::bitset<config::numCCs> ccSwitched;
-    absl::string_view defaultPath { "" };
+    std::string defaultPath { "" };
 
     int sequenceCounter { 0 };
     LEAK_DETECTOR(Region);
diff --git a/tests/RegionValuesT.cpp b/tests/RegionValuesT.cpp
index dc88297c..197fe80a 100644
--- a/tests/RegionValuesT.cpp
+++ b/tests/RegionValuesT.cpp
@@ -2291,7 +2291,7 @@ TEST_CASE("[Values] Self-mask")
         "/region0/note_selfmask,T : {  }",
         "/region1/note_selfmask,F : {  }",
         "/region2/note_selfmask,T : {  }",
-        "/region3/note_selfmask,F : {  }",
+        "/region3/note_selfmask,T : {  }",
     };
     REQUIRE(messageList == expected);
 }