diff --git a/renderdoc/driver/ihv/nv/official/PerfSDK/redist/NvPerfUtility/include/NvPerfInit.h b/renderdoc/driver/ihv/nv/official/PerfSDK/redist/NvPerfUtility/include/NvPerfInit.h
index ba2a65ce7..8d674df43 100644
--- a/renderdoc/driver/ihv/nv/official/PerfSDK/redist/NvPerfUtility/include/NvPerfInit.h
+++ b/renderdoc/driver/ihv/nv/official/PerfSDK/redist/NvPerfUtility/include/NvPerfInit.h
@@ -107,9 +107,10 @@ namespace nv { namespace perf {
 #else // !defined(_WIN32)
     typedef struct timeval LogTimeStamp;
 
-    inline void UserLogImplPlatform(const char* pMessage)
+    inline void UserLogImplPlatform(const char* /* pMessage */)
     {
-        (void*)pMessage;
+        // FIXME: gcc complains that pMessage is not used
+        //(void*)pMessage;
     }
 
     inline void GetTimeStamp(LogTimeStamp* pTimestamp)