'Search Everywhere' popup has a rendering error


As visible in the screenshot below, the 'Search Everywhere' popup dialog has a rendering error where part of the results are not shown. Clicking on the top line of the results window brings it forward. Any idea how to fix this?

This is:
IntelliJ IDEA 2018.1.2 (Community Edition)
Build #IC-181.4668.68, built on April 24, 2018
JRE: 1.8.0_152-release-1136-b29 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
Linux 4.16.12-1-ARCH

Running on Arch Linux.