diff --git a/include/dolphin/os.h b/include/dolphin/os.h
index f3e6326ec6..ef23b716ff 100644
--- a/include/dolphin/os.h
+++ b/include/dolphin/os.h
@@ -209,8 +209,8 @@ void OSSetSoundMode(u32 mode);
 
 DECL_WEAK void OSReport(const char* msg, ...);
 DECL_WEAK void OSVReport(const char* msg, va_list list);
-DECL_WEAK void OSPanic(const char* file, int line, const char* msg, ...);
-void OSFatal(GXColor fg, GXColor bg, const char* msg);
+DECL_WEAK void OSPanic NORETURN(const char* file, int line, const char* msg, ...);
+void OSFatal NORETURN(GXColor fg, GXColor bg, const char* msg);
 
 // do these belong here?
 DECL_WEAK void OSAttention(const char* msg, ...);
diff --git a/include/dolphin/types.h b/include/dolphin/types.h
index e8c3df7861..5044dabbb5 100644
--- a/include/dolphin/types.h
+++ b/include/dolphin/types.h
@@ -106,5 +106,11 @@ typedef unsigned int uint;
 #include <stddef.h>
 #endif
 
+#if TARGET_PC && __cplusplus
+#define NORETURN [[noreturn]]
+#else
+#define NORETURN
+#endif
+
 #endif
 #endif