Description of problem:
Search in the gnome-shell overview

Version-Release number of selected component:
gnome-software-3.11.5-2.fc21

Additional info:
reporter:       libreport-2.1.12
backtrace_rating: 4
cmdline:        /usr/bin/gnome-software --gapplication-service
crash_function: gs_app_set_id
executable:     /usr/bin/gnome-software
kernel:         3.14.0-0.rc1.git0.2.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #6 gs_app_set_id at gs-app.c:331
 #7 gs_plugin_datadir_apps_set_from_cache_item at gs-plugin-datadir-apps.c:111
 #8 gs_plugin_datadir_apps_extract_desktop_data at gs-plugin-datadir-apps.c:238
 #9 gs_plugin_refine_app at gs-plugin-datadir-apps.c:279
 #10 gs_plugin_refine at gs-plugin-datadir-apps.c:311
 #11 gs_plugin_loader_run_refine_plugin at gs-plugin-loader.c:187
 #12 gs_plugin_loader_run_refine at gs-plugin-loader.c:245
 #13 gs_plugin_loader_search_thread_cb at gs-plugin-loader.c:1421
 #14 run_in_thread at gsimpleasyncresult.c:860
 #15 io_job_thread at gioscheduler.c:85