@@ -148,11 +148,11 @@
 		  ofSize: (size_t)size
 {
 	if (size == 0)
 		return;
 
-	if (calculated)
+	if (isCalculated)
 		@throw [OFHashAlreadyCalculatedException newWithClass: isa];
 
 	sha1_update(state, &count, buffer, buf, size);
 }
 
@@ -159,11 +159,11 @@
 - (uint8_t*)digest
 {
 	size_t i;
 	char   finalcount[8];
 
-	if (calculated)
+	if (isCalculated)
 		return digest;
 
 	for (i = 0; i < 8; i++)
 		/* Endian independent */
 		finalcount[i] = (char)((count >> ((7 - (i & 7)) * 8)) & 255);
@@ -176,10 +176,10 @@
 
 	for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++)
 		digest[i] = (char)((state[i >> 2] >>
 		    ((3 - (i & 3)) * 8)) & 255);
 
-	calculated = YES;
+	isCalculated = YES;
 
 	return digest;
 }
 @end