diff --git a/renderdoc/driver/shaders/dxbc/dxbc_inspect.cpp b/renderdoc/driver/shaders/dxbc/dxbc_inspect.cpp
index 83712c450..16c895536 100644
--- a/renderdoc/driver/shaders/dxbc/dxbc_inspect.cpp
+++ b/renderdoc/driver/shaders/dxbc/dxbc_inspect.cpp
@@ -520,7 +520,7 @@ string DXBCFile::GetDebugBinaryPath(const void *ByteCode, size_t ByteCodeLength)
 		{
 			PRIVHeader *privHeader = (PRIVHeader *)fourcc;
 			const char* pathData = (char*)&privHeader->data;
-			size_t pathLength = strlen(pathData);
+			size_t pathLength = strnlen(pathData, privHeader->chunkLength);
 
 			if(privHeader->chunkLength == (pathLength + 1))
 			{