diff --git a/ttmath/ttmathuint.h b/ttmath/ttmathuint.h
index 43d68c1..7c5341a 100644
--- a/ttmath/ttmathuint.h
+++ b/ttmath/ttmathuint.h
@@ -955,17 +955,20 @@ public:
 		switch( algorithm )
 		{
 		case 1:
-			return Mul1Big(ss2, result);
+			Mul1Big(ss2, result);
+			break;
 
 		case 2:
-			return Mul2Big(ss2, result);
+			Mul2Big(ss2, result);
+			break;
 
 		case 3:
-			return Mul3Big(ss2, result);
+			Mul3Big(ss2, result);
+			break;
 
 		case 100:
 		default:
-			return MulFastestBig(ss2, result);
+			MulFastestBig(ss2, result);
 		}
 	}
 
@@ -1501,7 +1504,10 @@ public:
 	void MulFastestBig(const UInt<value_size> & ss2, UInt<value_size*2> & result)
 	{
 		if( value_size < TTMATH_USE_KARATSUBA_MULTIPLICATION_FROM_SIZE )
-			return Mul2Big(ss2, result);
+		{
+			Mul2Big(ss2, result);
+			return;
+		}
 
 		uint x1size  = value_size, x2size  = value_size;
 		uint x1start = 0,          x2start = 0;
@@ -1523,9 +1529,12 @@ public:
 		uint distancex2 = x2size - x2start;
 
 		if( distancex1 < 3 || distancex2 < 3 )
+		{
 			// either 'this' or 'ss2' have only 2 (or 1) items different from zero (side by side)
 			// (this condition in the future can be improved)
-			return Mul2Big3<value_size>(table, ss2.table, result, x1start, x1size, x2start, x2size);
+			Mul2Big3<value_size>(table, ss2.table, result, x1start, x1size, x2start, x2size);
+			return;
+		}
 
 
 		// Karatsuba multiplication