diff --git a/Ghidra/RuntimeScripts/Common/support/launch.properties b/Ghidra/RuntimeScripts/Common/support/launch.properties
index 29583412e6..eb7f7a0396 100644
--- a/Ghidra/RuntimeScripts/Common/support/launch.properties
+++ b/Ghidra/RuntimeScripts/Common/support/launch.properties
@@ -68,3 +68,6 @@ VMARGS=-Dfont.size.override=
 # generates uncaught exceptions.  Disabling it can be helpful when trying to debug what went
 # wrong because the ContinuesIntercepter affects the usefulness of the stack trace.
 #VMARGS=-DContinuesInterceptor.disabled
+
+# Prevent log4j from using the Jansi DLL on Windows.
+VMARGS=-Dlog4j.skipJansi=true