diff --git a/port/src/input.c b/port/src/input.c
index 67bb7f45a..3106fc633 100644
--- a/port/src/input.c
+++ b/port/src/input.c
@@ -731,8 +731,8 @@ void inputMouseGetScaledDeltaAbsSens(f32 *dx, f32 *dy)
 {
 	f32 mdx, mdy;
 	if (mouseLocked) {
-		mdx = abs(mouseSensX) * (f32)mouseDX / 100.0f;
-		mdy = abs(mouseSensY) * (f32)mouseDY / 100.0f;
+		mdx = fabsf(mouseSensX) * (f32)mouseDX / 100.0f;
+		mdy = fabsf(mouseSensY) * (f32)mouseDY / 100.0f;
 	} else {
 		mdx = 0.f;
 		mdy = 0.f;