diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43d7dee7..7939a767 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,13 +45,13 @@ find_package(Perl REQUIRED)
 add_subdirectory(xs)
 
 enable_testing ()
-get_filename_component(PERL_BIN_PATH "${PERL_EXECUTABLE}" DIRECTORY)
-add_test (NAME xs COMMAND "${PERL_EXECUTABLE}" ${PERL_BIN_PATH}/prove -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/xs)
-add_test (NAME integration COMMAND "${PERL_EXECUTABLE}" ${PERL_BIN_PATH}/prove WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
+add_test (NAME xs COMMAND prove -I ${PROJECT_SOURCE_DIR}/local-lib/lib/perl5 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/xs)
+add_test (NAME integration COMMAND prove WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
 
 install(PROGRAMS slic3r.pl DESTINATION bin RENAME slic3r-prusa3d)
 
 file(GLOB MyVar var/*.png)
+
 install(FILES ${MyVar} DESTINATION share/slic3r-prusa3d)
 install(FILES lib/Slic3r.pm DESTINATION lib/slic3r-prusa3d)
 install(DIRECTORY lib/Slic3r DESTINATION lib/slic3r-prusa3d)
diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 66039ddf..bb7e1eb5 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -41,7 +41,7 @@ warn "Running Slic3r under Perl 5.16 is neither supported nor recommended\n"
 use FindBin;
 
 # Let the XS module know where the GUI resources reside.
-set_resources_dir(decode_path($FindBin::Bin) . (($^O eq 'darwin') ? '/../Resources' : '/resources'));
+set_resources_dir("/usr/share/slic3r-prusa3d");
 set_var_dir(resources_dir() . "/icons");
 
 use Moo 1.003001;
diff --git a/slic3r.pl b/slic3r.pl
index 4b6e43e4..d833ed1b 100755
--- a/slic3r.pl
+++ b/slic3r.pl
@@ -5,8 +5,7 @@ use warnings;
 
 BEGIN {
     use FindBin;
-    use lib "$FindBin::Bin/lib";
-    use local::lib '--no-create', "$FindBin::Bin/local-lib";
+    use lib "$FindBin::Bin/lib", "/usr/lib/slic3r-prusa3d/";
 }
 
 use File::Basename qw(basename);