diff --git a/include/services/hid.hpp b/include/services/hid.hpp
index 5bf032ab..09f4feae 100644
--- a/include/services/hid.hpp
+++ b/include/services/hid.hpp
@@ -7,7 +7,7 @@
 class HIDService {
 	Handle handle = KernelHandles::HID;
 	Memory& mem;
-	u8* sharedMem; // Pointer to HID shared memory
+	u8* sharedMem = nullptr; // Pointer to HID shared memory
 
 	MAKE_LOG_FUNCTION(log, hidLogger)
 
@@ -22,7 +22,7 @@ public:
 	void setSharedMem(u8* ptr) {
 		sharedMem = ptr;
 		if (ptr != nullptr) { // Zero-fill shared memory in case the process tries to read stale service data or vice versa
-			std::memset(ptr, 0xff, 0x2b0);
+			std::memset(ptr, 0, 0x2b0);
 		}
 	}
 };
\ No newline at end of file
diff --git a/src/core/PICA/shader_interpreter.cpp b/src/core/PICA/shader_interpreter.cpp
index 8e9113da..d4e3b534 100644
--- a/src/core/PICA/shader_interpreter.cpp
+++ b/src/core/PICA/shader_interpreter.cpp
@@ -27,11 +27,14 @@ u8 PICAShader::getIndexedSource(u32 source, u32 index) {
 		return source;
 
 	switch (index) {
-		case 0: return u8(source); // No offset applied
+		case 0: [[likely]] return u8(source); // No offset applied
 		case 1: return u8(source + addrRegister.x());
 		case 2: return u8(source + addrRegister.y());
 		case 3: return u8(source + loopCounter);
 	}
+
+	Helpers::panic("Reached unreachable path in PICAShader::getIndexedSource");
+	return 0;
 }
 
 PICAShader::vec4f PICAShader::getSource(u32 source) {