diff --git a/CMakeLists.txt b/CMakeLists.txt
index 388eee3fb..69177c85f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -816,6 +816,9 @@ else()
     set(DEBUG_FLAGS "${DEBUG_FLAGS} -O0 ")
   endif()
 
+  # At least some CLANGs default to not enough for monero
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth=900")
+
   if(NOT DEFINED USE_LTO_DEFAULT)
     set(USE_LTO_DEFAULT false)
   endif()