An electronic smoking device (10) includes a battery portion (12) including an electric power source (18), an atomizer/liquid reservoir portion (14) having a mouthpiece opening (36) in an end, a liquid reservoir (34) for accommodating a liquid, and a glass capillary tube (46). The glass capillary tube (46) comprises a first open end (48) arranged inside the liquid reservoir (34) and an outlet portion (50), wherein the glass capillary tube (46) is adapted to transport liquid from the first open end (48) to the outlet portion (50) by capillary force. The electronic smoking device (10) further includes an atomizer (26) arranged at the outlet portion (50) such that is operable to vaporize liquid at the outlet portion (50) to create an aerosol.