diff --git a/src/emu/emu_ev.c b/src/emu/emu_ev.c
index 05af80e..62acfec 100644
--- a/src/emu/emu_ev.c
+++ b/src/emu/emu_ev.c
@@ -7,9 +7,9 @@ void
 emu_ev(struct emu_ev *ev, const struct ovni_ev *oev,
 		int64_t sclock, int64_t dclock)
 {
-	ev->mcv[0] = ev->m = oev->header.model;
-	ev->mcv[1] = ev->c = oev->header.category;
-	ev->mcv[2] = ev->v = oev->header.value;
+	ev->m = oev->header.model;
+	ev->c = oev->header.category;
+	ev->v = oev->header.value;
 	ev->mcv[3] = '\0';
 
 	ev->rclock = oev->header.clock;
diff --git a/src/emu/emu_ev.h b/src/emu/emu_ev.h
index 10cdf17..3278d4c 100644
--- a/src/emu/emu_ev.h
+++ b/src/emu/emu_ev.h
@@ -9,10 +9,15 @@
 
 /* Easier to parse emulation event */
 struct emu_ev {
-	uint8_t m;
-	uint8_t c;
-	uint8_t v;
-	char mcv[4];
+	union {
+		struct {
+			uint8_t m;
+			uint8_t c;
+			uint8_t v;
+			uint8_t nil;
+		};
+		char mcv[4];
+	};
 
 	int64_t rclock; /* As-is clock in the binary stream */
 	int64_t sclock; /* Corrected clock with stream offset */