diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8c9d070f..046d7114a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,8 +51,8 @@ set(THREADS_PREFER_PTHREAD_FLAG ON)
 #
 add_library(simdjson-flags INTERFACE)
 if(MSVC)
-  target_compile_options(simdjson-flags INTERFACE /nologo /D_CRT_SECURE_NO_WARNINGS)
-  target_compile_options(simdjson-flags INTERFACE /WX /W3 /wd4005 /wd4996 /wd4267 /wd4244 /wd4113)
+  target_compile_options(simdjson-flags INTERFACE /nologo)
+  target_compile_options(simdjson-flags INTERFACE /WX /W3 /wd4996 /wd4267 /wd4244)
 else()
   target_compile_options(simdjson-flags INTERFACE -fPIC)
   target_compile_options(simdjson-flags INTERFACE -Werror -Wall -Wextra -Wsign-compare -Wshadow -Wwrite-strings -Wpointer-arith -Winit-self)
diff --git a/src/generic/stage2_build_tape.h b/src/generic/stage2_build_tape.h
index 4dab3304c..1175eb818 100644
--- a/src/generic/stage2_build_tape.h
+++ b/src/generic/stage2_build_tape.h
@@ -105,8 +105,8 @@ public:
   const size_t len;
   const uint32_t* const structural_indexes;
   size_t next_structural; // next structural index
-  size_t idx; // location of the structural character in the input (buf)
-  uint8_t c;  // used to track the (structural) character we are looking at
+  size_t idx{0}; // location of the structural character in the input (buf)
+  uint8_t c{0};  // used to track the (structural) character we are looking at
 };
 
 struct structural_parser {