diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index d3c71232..2428f079 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -767,7 +767,7 @@ float sfz::Region::velocityCurve(uint8_t velocity) const noexcept
     return gain;
 }
 
-constexpr uint8_t offsetAndClamp(uint8_t key, int offset, sfz::Range<uint8_t> range)
+uint8_t offsetAndClamp(uint8_t key, int offset, sfz::Range<uint8_t> range)
 {
     const int offsetKey { key + offset };
     if (offsetKey > std::numeric_limits<uint8_t>::max())
diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 4a2ad7de..d9f88d15 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -165,7 +165,7 @@ void sfz::Synth::handleControlOpcodes(const std::vector<Opcode>& members)
             [[fallthrough]];
         case hash("label_cc"):
             if (member.parameter && Default::ccNumberRange.containsWithEnd(*member.parameter))
-                ccNames.emplace_back(*member.parameter, member.value);
+                ccNames.emplace_back(*member.parameter, std::string(member.value));
             break;
         case hash("Default_path"):
             [[fallthrough]];