diff -up src/sage/env.py.orig src/sage/env.py
--- src/sage/env.py.orig	2019-06-26 14:41:04.000000000 -0600
+++ src/sage/env.py	2019-06-27 11:39:02.780593101 -0600
@@ -174,7 +174,7 @@ var('CONWAY_POLYNOMIALS_DATA_DIR',   joi
 var('GRAPHS_DATA_DIR',               join(SAGE_SHARE, 'graphs'))
 var('ELLCURVE_DATA_DIR',             join(SAGE_SHARE, 'ellcurves'))
 var('POLYTOPE_DATA_DIR',             join(SAGE_SHARE, 'reflexive_polytopes'))
-var('GAP_ROOT_DIR',                  join(SAGE_SHARE, 'gap'))
+var('GAP_ROOT_DIR',                  join('/usr','lib','gap'))
 var('THEBE_DIR',                     join(SAGE_SHARE, 'thebe'))
 var('COMBINATORIAL_DESIGN_DATA_DIR', join(SAGE_SHARE, 'combinatorial_designs'))
 var('CREMONA_MINI_DATA_DIR',         join(SAGE_SHARE, 'cremona'))