diff --git a/Userland/Libraries/LibM/math.h b/Userland/Libraries/LibM/math.h
index defff09b15..199e28eec1 100644
--- a/Userland/Libraries/LibM/math.h
+++ b/Userland/Libraries/LibM/math.h
@@ -74,7 +74,7 @@ __BEGIN_DECLS
 #define isless(x, y) __builtin_isless((x), (y))
 #define islessequal(x, y) __builtin_islessequal((x), (y))
 #define islessgreater(x, y) __builtin_islessgreater((x), (y))
-#define isunordered(x, y) __builtin_isunoredered((x), (y))
+#define isunordered(x, y) __builtin_isunordered((x), (y))
 
 #define DOUBLE_MAX ((double)0b0111111111101111111111111111111111111111111111111111111111111111)
 #define DOUBLE_MIN ((double)0b0000000000010000000000000000000000000000000000000000000000000000)