diff --git a/src/mozilla_des.c b/src/mozilla_des.c
index 2e14477..0bc7077 100644
--- a/src/mozilla_des.c
+++ b/src/mozilla_des.c
@@ -748,12 +748,12 @@ void DES_EDE3_ECB(struct DESContext *cx, BYTE *out, const BYTE *in, unsigned int
     HALF  vec[2];
 
     while (in != bufend) {
-	COPY8BTOHALF(vec, in);
+	COPY8BTOHALF((void*){vec}, in);
 	in += 8;
 	vec[0] ^= cx->iv[0];
 	vec[1] ^= cx->iv[1];
 	DES_Do1Block( cx->ks0, (BYTE *)vec, (BYTE *)cx->iv);
-	COPY8BFROMHALF(out, cx->iv);
+	COPY8BFROMHALF(out, (void*){cx->iv});
 	out += 8;
     }
 }
@@ -767,12 +767,12 @@ void DES_CBCDe(struct DESContext *cx, BYTE *out, const BYTE *in, unsigned int le
     for (bufend = in + len; in != bufend; ) {
 	oldciphertext[0] = cx->iv[0];
 	oldciphertext[1] = cx->iv[1];
-	COPY8BTOHALF(cx->iv, in);
+	COPY8BTOHALF((void*){cx->iv}, in);
 	in += 8;
 	DES_Do1Block(cx->ks0, (BYTE *)cx->iv, (BYTE *)plaintext);
 	plaintext[0] ^= oldciphertext[0];
 	plaintext[1] ^= oldciphertext[1];
-	COPY8BFROMHALF(out, plaintext);
+	COPY8BFROMHALF(out, (void*){plaintext});
 	out += 8;
     }
 }
@@ -783,14 +783,14 @@ void DES_EDE3CBCEn(struct DESContext *cx, BYTE *out, const BYTE *in, unsigned in
     HALF  vec[2];
 
     while (in != bufend) {
-	COPY8BTOHALF(vec, in);
+	COPY8BTOHALF((void*){vec}, in);
 	in += 8;
 	vec[0] ^= cx->iv[0];
 	vec[1] ^= cx->iv[1];
 	DES_Do1Block( cx->ks0, (BYTE *)vec,    (BYTE *)cx->iv);
 	DES_Do1Block( cx->ks1, (BYTE *)cx->iv, (BYTE *)cx->iv);
 	DES_Do1Block( cx->ks2, (BYTE *)cx->iv, (BYTE *)cx->iv);
-	COPY8BFROMHALF(out, cx->iv);
+	COPY8BFROMHALF(out, (void*){cx->iv});
 	out += 8;
     }
 }
@@ -870,7 +870,7 @@ struct DESContext *DES_CreateContext(const BYTE * key, const BYTE *iv)
     struct DESContext *cx = &dcx;
 
 	cx->direction =  DES_DECRYPT;
-	COPY8BTOHALF(cx->iv, iv);
+	COPY8BTOHALF((void*){cx->iv}, iv);
 	// cx->worker = &DES_EDE3CBCDe;
 	DES_MakeSchedule(cx->ks2, key,      DES_DECRYPT);
 	DES_MakeSchedule(cx->ks1, key +  8, DES_ENCRYPT);