diff --git a/libc/tinymath/complex_impl.h b/libc/tinymath/complex_impl.internal.h
similarity index 100%
rename from libc/tinymath/complex_impl.h
rename to libc/tinymath/complex_impl.internal.h
diff --git a/libc/tinymath/csqrt.c b/libc/tinymath/csqrt.c
index 91d95f925..7a0ff816b 100644
--- a/libc/tinymath/csqrt.c
+++ b/libc/tinymath/csqrt.c
@@ -25,7 +25,7 @@
 │  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/tinymath/complex_impl.h"
+#include "libc/tinymath/complex_impl.internal.h"
 
 asm(".ident\t\"\\n\\n\
 Musl libc (MIT License)\\n\