diff --git a/cmake/GtsamBuildTypes.cmake b/cmake/GtsamBuildTypes.cmake
index ccb0e41ed..cc3cbee6d 100644
--- a/cmake/GtsamBuildTypes.cmake
+++ b/cmake/GtsamBuildTypes.cmake
@@ -129,6 +129,7 @@ else()
     -fPIC                                          # ensure proper code generation for shared libraries
     $<$<CXX_COMPILER_ID:GNU>:-Wreturn-local-addr -Werror=return-local-addr>            # Error: return local address
     $<$<CXX_COMPILER_ID:Clang>:-Wreturn-stack-address   -Werror=return-stack-address>  # Error: return local address
+    $<$<CXX_COMPILER_ID:Clang>:-Wno-misleading-indentation>  # Eigen triggers a ton!
     -Wreturn-type  -Werror=return-type             # Error on missing return()
     -Wformat -Werror=format-security               # Error on wrong printf() arguments
     $<$<COMPILE_LANGUAGE:CXX>:${flag_override_}>   # Enforce the use of the override keyword