diff --git a/vlib/builtin/int.v b/vlib/builtin/int.v
index d2a3699db7..f3e61fa965 100644
--- a/vlib/builtin/int.v
+++ b/vlib/builtin/int.v
@@ -28,18 +28,26 @@ pub fn ptr_str(ptr voidptr) string {
 // compare floats using C epsilon
 // ==
 pub fn (a f64) eq(b f64) bool {
-	$if tinyc {
-	return a -b <= 0.01
+	$if windows {
+		$if tinyc {
+			return a -b <= 0.01
+		} $else {
+			return C.fabs(a - b) <= C.DBL_EPSILON	
+		}
 	} $else {
-	return C.fabs(a - b) <= C.DBL_EPSILON	
+		return C.fabs(a - b) <= C.DBL_EPSILON	
 	}
 }
 pub fn (a f32) eq(b f32) bool {
-	$if tinyc {
-	return a -b <= 0.01
+	$if windows {
+		$if tinyc {
+			return a -b <= 0.01
+		} $else {
+			return C.fabs(a - b) <= C.DBL_EPSILON	
+		}
 	} $else {
-	return C.fabsf(a - b) <= C.FLT_EPSILON	
-}
+		return C.fabs(a - b) <= C.DBL_EPSILON	
+	}
 }
 pub fn (a f64) eqbit(b f64) bool {
 	return C.DEFAULT_EQUAL(a, b)