A genetically modified Acinetobacter host for lipid production, which comprises that the Acinetobacter host has been genetically modified to be deficient of gene ACIAD 2177 having SEQ ID NO:4 or showing at least 70 % identity to said sequence, wherein said host is capable of increased production of wax esters and/or total lipids compared to the parent host, and wherein the host has been further made deficient of one or more of A) a gene encoding fatty acyl-CoA reductase having EC1.2.1.n2, a gene ACIAD 3383 having the sequence set forth in SEQ ID NO:1 or showing at least 70 % identity to said sequence, and/or B) a gene encoding diacylglycerol kinase having EC:2.7.1.107, a gene ACIAD 2837 having the sequence set forth in SEQ ID NO:5 or a functional equivalent thereof showing at least 70 % identity to said sequence, a gene encoding succinate dehydrogenase having EC:1.3.5.1, a gene ACIAD 2880 having SEQ ID NO:6 or showing at least 70 % identity to said sequence; a gene encoding glycerol-3-phosphate dehydrogenase having EC 1.1.5.3, a gene ACIAD 2844 having SEQ ID NO:7 or showing at least 70 % identity to said sequence; a gene encoding cytochrome o ubiquinol oxidase subunit II having EC:1.10.3.-, a gene ACIAD 2425 having SEQ ID NO:8 or showing at least 70 % identity to said sequence; a gene encoding cytochrome o ubiquinol oxidase subunit I having EC:1.10.3.-, a gene ACIAD 2426 having SEQ ID NO:9 or showing at least 70 % identity to said sequence; a gene encoding cytochrome d terminal oxidase polypeptide subunit II having EC1.10.3.-, a gene ACIAD 2291 having SEQ ID NO:10 or showing at least 70 % identity to said sequence; a gene encoding pyruvate dehydrogenase having EC:1.2.2.2, a gene ACIAD 3381 having SEQ ID NO:3 or showing at least 70 % identity to said sequence; a gene encoding carboxylesterase having EC:3.1.1.1, a gene ACIAD 3648 having SEQ ID NO:11 or showing at least 70 % identity to said sequence; a gene encoding esterase, gene ACIAD 1134 having SEQ ID NO:12 or showing at least 70 % identity to said sequence; a gene encoding lipase having EC:3.1.1.3, a gene ACIAD 3309 having SEQ ID NO:2 or showing at least 70 % identity to said sequence, a gene ACIAD 1121 having SEQ ID NO:13 or showing at least 70 % identity to said sequence; or a gene encoding acyl-CoA synthetase having EC:6.2.1.3, a gene ACIAD 0235 having SEQ ID NO:14 or showing at least 70 % identity to said sequence. A) a gene encoding fatty acyl-CoA reductase having EC1.2.1.n2, a gene ACIAD 3383 having the sequence set forth in SEQ ID NO:1 or showing at least 70 % identity to said sequence, and/or B) a gene encoding diacylglycerol kinase having EC:2.7.1.107, a gene ACIAD 2837 having the sequence set forth in SEQ ID NO:5 or a functional equivalent thereof showing at least 70 % identity to said sequence, a gene encoding succinate dehydrogenase having EC:1.3.5.1, a gene ACIAD 2880 having SEQ ID NO:6 or showing at least 70 % identity to said sequence; a gene encoding glycerol-3-phosphate dehydrogenase having EC 1.1.5.3, a gene ACIAD 2844 having SEQ ID NO:7 or showing at least 70 % identity to said sequence; a gene encoding cytochrome o ubiquinol oxidase subunit II having EC:1.10.3.-, a gene ACIAD 2425 having SEQ ID NO:8 or showing at least 70 % identity to said sequence; a gene encoding cytochrome o ubiquinol oxidase subunit I having EC:1.10.3.-, a gene ACIAD 2426 having SEQ ID NO:9 or showing at least 70 % identity to said sequence; a gene encoding cytochrome d terminal oxidase polypeptide subunit II having EC1.10.3.-, a gene ACIAD 2291 having SEQ ID NO:10 or showing at least 70 % identity to said sequence; a gene encoding pyruvate dehydrogenase having EC:1.2.2.2, a gene ACIAD 3381 having SEQ ID NO:3 or showing at least 70 % identity to said sequence; a gene encoding carboxylesterase having EC:3.1.1.1, a gene ACIAD 3648 having SEQ ID NO:11 or showing at least 70 % identity to said sequence; a gene encoding esterase, gene ACIAD 1134 having SEQ ID NO:12 or showing at least 70 % identity to said sequence; a gene encoding lipase having EC:3.1.1.3, a gene ACIAD 3309 having SEQ ID NO:2 or showing at least 70 % identity to said sequence, a gene ACIAD 1121 having SEQ ID NO:13 or showing at least 70 % identity to said sequence; or a gene encoding acyl-CoA synthetase having EC:6.2.1.3, a gene ACIAD 0235 having SEQ ID NO:14 or showing at least 70 % identity to said sequence.