diff --git a/ports/fluidlite/portfile.cmake b/ports/fluidlite/portfile.cmake
index 4ae73ae202..929e7f7a81 100644
--- a/ports/fluidlite/portfile.cmake
+++ b/ports/fluidlite/portfile.cmake
@@ -1,3 +1,7 @@
+if(EXISTS "${CURRENT_INSTALLED_DIR}/include/fluidsynth/settings.h")
+  message(FATAL_ERROR "Can't build fluidlite if fluidsynth is installed. Please remove fluidsynth, and try to install fluidlite again if you need it.")
+endif()
+
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO divideconcept/FluidLite
diff --git a/scripts/ci.baseline.txt b/scripts/ci.baseline.txt
index 2360abfbed..ac1b118826 100644
--- a/scripts/ci.baseline.txt
+++ b/scripts/ci.baseline.txt
@@ -422,6 +422,16 @@ flint:x64-osx=fail
 fltk:arm-uwp=fail
 fltk:x64-uwp=fail
 fluidsynth:x64-osx=fail
+# fluidlite conflicts with fluidsynth; we test fluidsynth rather than fluidlite because
+# fluidlite has no dependencies and thus is less likely to be broken by another package.
+fluidlite:arm-uwp=skip
+fluidlite:arm64-windows=skip
+fluidlite:x64-linux=skip
+fluidlite:x64-osx=skip
+fluidlite:x64-uwp=skip
+fluidlite:x64-windows-static=skip
+fluidlite:x64-windows=skip
+fluidlite:x86-windows=skip
 fmem:arm-uwp=fail
 fmem:x64-uwp=fail
 fmi4cpp:arm-uwp=fail