diff --git a/drivers/block/systemace.c b/drivers/block/systemace.c
index 247cf06..88561a7 100644
--- a/drivers/block/systemace.c
+++ b/drivers/block/systemace.c
@@ -66,7 +66,8 @@ static void ace_writew(u16 val, unsigned off)
 		writeb(val >> 8, base + off + 1);
 #endif
 	}
-	out16(base + off, val);
+	else
+		out16(base + off, val);
 }
 
 static u16 ace_readw(unsigned off)
@@ -78,8 +79,8 @@ static u16 ace_readw(unsigned off)
 		return readb(base + off) | (readb(base + off + 1) << 8);
 #endif
 	}
-
-	return in16(base + off);
+	else
+		return in16(base + off);
 }
 
 static unsigned long systemace_read(int dev, unsigned long start,