diff --git a/Source/Core/Core/DSP/LabelMap.cpp b/Source/Core/Core/DSP/LabelMap.cpp
index d2ac003f23..dd045c5a44 100644
--- a/Source/Core/Core/DSP/LabelMap.cpp
+++ b/Source/Core/Core/DSP/LabelMap.cpp
@@ -12,6 +12,17 @@
 
 namespace DSP
 {
+struct LabelMap::Label
+{
+  Label(const std::string& lbl, s32 address, LabelType ltype)
+      : name(lbl), addr(address), type(ltype)
+  {
+  }
+  std::string name;
+  s32 addr;
+  LabelType type;
+};
+
 LabelMap::LabelMap() = default;
 
 LabelMap::~LabelMap() = default;
diff --git a/Source/Core/Core/DSP/LabelMap.h b/Source/Core/Core/DSP/LabelMap.h
index 5458785610..e9bcd3950b 100644
--- a/Source/Core/Core/DSP/LabelMap.h
+++ b/Source/Core/Core/DSP/LabelMap.h
@@ -33,16 +33,7 @@ public:
   void Clear();
 
 private:
-  struct label_t
-  {
-    label_t(const std::string& lbl, s32 address, LabelType ltype)
-        : name(lbl), addr(address), type(ltype)
-    {
-    }
-    std::string name;
-    s32 addr;
-    LabelType type;
-  };
-  std::vector<label_t> labels;
+  struct Label;
+  std::vector<Label> labels;
 };
 }  // namespace DSP