diff --git a/modes/stb.c b/modes/stb.c
index 86e3711..027b7a7 100644
--- a/modes/stb.c
+++ b/modes/stb.c
@@ -22,6 +22,7 @@
 
 #define STB_IMAGE_IMPLEMENTATION
 #define STBI_ASSERT(x)
+#define STBI_NO_THREAD_LOCALS
 #undef malloc
 #undef realloc
 #undef free