He added it is important to keep inflation expectations anchored in upcoming wage negotiations.
Jansson also said January figures show some indications that the inflation has bottomed out. Headline consumer prices fell in January, but less than expected by the market.
Inflation expectations among money market players rose slightly in February.
At its interest-rate setting meeting on Feb. 12, the Riksbank cut its key repo rate 0.10 percent to -0.10, launched a plan to buy 10 billion crowns ($1.20 billion) in bonds and said it was ready to take further measures at short notice should more expansionary policy be needed.