diff --git a/build.bat b/build.bat
index b7cec37..e9aeadc 100644
--- a/build.bat
+++ b/build.bat
@@ -3,7 +3,7 @@ call ../misc/compile_setup.bat
 
 mkdir build
 cd build
-cl -Fe:bld.exe ../code/build_main.cpp -WX -W3 -wd4200 -diagnostics:column -nologo -Zi -D_CRT_SECURE_NO_WARNINGS /fsanitize=address
+cl -Fe:bld.exe ../code/build_main.cpp -WX -W3 -wd4200 -diagnostics:column -nologo -Zi -D_CRT_SECURE_NO_WARNINGS
 cd ..
 build\bld.exe
 
diff --git a/build.sh b/build.sh
index a9f57a4..2949aac 100644
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 gcc -o bld code/build_main.cpp -g
-./bld cc=clang
+./bld
diff --git a/code/io.c b/code/io.c
index eddbb64..043601b 100644
--- a/code/io.c
+++ b/code/io.c
@@ -84,6 +84,9 @@ IO_API bool IO__FatalErrorf(const char *file, int line, const char *msg, ...) {
 }
 
 IO_API void IO_Printf(const char *msg, ...) {
+    // First try to use a static buffer. That can fail because the message
+    // can be bigger then the buffer. Allocate enough memory to fit in that
+    // case.
     va_list args1;
     va_list args2;
     char buff[2048];