diff --git a/x/slashing/keeper.go b/x/slashing/keeper.go
index 89faf64ed..c7cf06369 100644
--- a/x/slashing/keeper.go
+++ b/x/slashing/keeper.go
@@ -55,7 +55,7 @@ func (k Keeper) handleValidatorSignature(ctx sdk.Context, pubkey crypto.PubKey,
 	address := pubkey.Address()
 
 	// Local index, so counts blocks validator *should* have signed
-	// Will use the 0-value default signing info if not present
+	// Will use the 0-value default signing info if not present, except for start height
 	signInfo, found := k.getValidatorSigningInfo(ctx, address)
 	if !found {
 		// If this validator has never been seen before, set the start height
diff --git a/x/slashing/keeper_test.go b/x/slashing/keeper_test.go
index 3d49b65c4..3e78d939d 100644
--- a/x/slashing/keeper_test.go
+++ b/x/slashing/keeper_test.go
@@ -144,12 +144,15 @@ func TestHandleNewValidator(t *testing.T) {
 	// 1000 first blocks not a validator
 	ctx = ctx.WithBlockHeight(1001)
 
-	// Now a validator
+	// Now a validator, for two blocks
 	keeper.handleValidatorSignature(ctx, val, true)
+	ctx = ctx.WithBlockHeight(1002)
+	keeper.handleValidatorSignature(ctx, val, false)
+
 	info, found := keeper.getValidatorSigningInfo(ctx, val.Address())
 	require.True(t, found)
 	require.Equal(t, int64(1001), info.StartHeight)
-	require.Equal(t, int64(1), info.IndexOffset)
+	require.Equal(t, int64(2), info.IndexOffset)
 	require.Equal(t, int64(1), info.SignedBlocksCounter)
 	require.Equal(t, int64(0), info.JailedUntil)