diff --git a/cmake/c_flag_overrides.cmake b/cmake/c_flag_overrides.cmake
index 0eed5308ba4b997590b553859e00adeb73bbc386..c3225d2c4792eeaf320563a0caacd5b75611f3ec 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 82fb7b39d05c6a5ef03353ff87ee92e8d0051ff2..2f5473df93e1220ce137ed5324cb0738081ada90 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")