diff --git a/src/p_setup.c b/src/p_setup.c
index a06ea14db..1465e718f 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -3873,7 +3873,7 @@ static inline float P_SegLengthFloat(seg_t *seg)
 	dx = FIXED_TO_FLOAT(seg->v2->x - seg->v1->x);
 	dy = FIXED_TO_FLOAT(seg->v2->y - seg->v1->y);
 
-	return (float)hypot(dx, dy);
+	return hypotf(dx, dy);
 }
 #endif
 
@@ -4033,7 +4033,7 @@ static void P_LoadSegs(UINT8 *data)
 
 		seg->length = P_SegLength(seg);
 #ifdef HWRENDER
-		seg->flength = (rendermode == render_opengl) ? P_SegLengthFloat(seg) : 0;
+		seg->flength = P_SegLengthFloat(seg);
 #endif
 
 		seg->glseg = false;