diff --git a/cmake/c_flag_overrides.cmake b/cmake/c_flag_overrides.cmake
index 0eed5308ba..c3225d2c47 100644
--- a/cmake/c_flag_overrides.cmake
+++ b/cmake/c_flag_overrides.cmake
@@ -6,7 +6,7 @@ if(MSVC)
         "/MT /O1 /Ob1 /D NDEBUG")
 
     set(CMAKE_C_FLAGS_RELEASE_INIT
-        "/MT /O2 /Ob2 /D NDEBUG")
+        "/MT /O2 /Ob1 /D NDEBUG")
 
     set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT
         "/MT /Zi /O2 /Ob1 /D NDEBUG")
diff --git a/cmake/cxx_flag_overrides.cmake b/cmake/cxx_flag_overrides.cmake
index 82fb7b39d0..2f5473df93 100644
--- a/cmake/cxx_flag_overrides.cmake
+++ b/cmake/cxx_flag_overrides.cmake
@@ -6,7 +6,7 @@ if(MSVC)
         "/MT /O1 /Ob1 /D NDEBUG")
 
     set(CMAKE_CXX_FLAGS_RELEASE_INIT
-        "/MT /O2 /Ob2 /D NDEBUG")
+        "/MT /O2 /Ob1 /D NDEBUG")
 
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT
         "/MT /Zi /O2 /Ob1 /D NDEBUG")