diff --git a/libc/isystem/complex.h b/libc/isystem/complex.h
index 80c28cbf4..417707176 100644
--- a/libc/isystem/complex.h
+++ b/libc/isystem/complex.h
@@ -1,6 +1,6 @@
 #ifndef _COMPLEX_H
 #define _COMPLEX_H
+#include <math.h>
 #include "libc/complex.h"
 #include "libc/imag.h"
-#include "libc/math.h"
 #endif /* _COMPLEX_H */
diff --git a/libc/isystem/float.h b/libc/isystem/float.h
index c1effda08..a5cf995a2 100644
--- a/libc/isystem/float.h
+++ b/libc/isystem/float.h
@@ -1,5 +1,5 @@
 #ifndef _FLOAT_H
 #define _FLOAT_H
-#include "libc/math.h"
+#include <math.h>
 #include "libc/runtime/fenv.h"
 #endif /* _FLOAT_H */