diff --git a/meta-raspberrypi/recipes-multimedia/rpidistro-ffmpeg/rpidistro-ffmpeg_4.3.4.bb b/meta-raspberrypi/recipes-multimedia/rpidistro-ffmpeg/rpidistro-ffmpeg_4.3.4.bb
index a4a7f90..5a8ff8f 100644
--- a/meta-raspberrypi/recipes-multimedia/rpidistro-ffmpeg/rpidistro-ffmpeg_4.3.4.bb
+++ b/meta-raspberrypi/recipes-multimedia/rpidistro-ffmpeg/rpidistro-ffmpeg_4.3.4.bb
@@ -23,9 +23,9 @@
                     file://COPYING.LGPLv3;md5=e6a600fd5e1d9cbde2d983680233ad02"
 
 # Build fails when thumb is enabled: https://bugzilla.yoctoproject.org/show_bug.cgi?id=7717
-ARM_INSTRUCTION_SET_armv4 = "arm"
-ARM_INSTRUCTION_SET_armv5 = "arm"
-ARM_INSTRUCTION_SET_armv6 = "arm"
+ARM_INSTRUCTION_SET:armv4 = "arm"
+ARM_INSTRUCTION_SET:armv5 = "arm"
+ARM_INSTRUCTION_SET:armv6 = "arm"
 # Should be API compatible with libav (which was a fork of ffmpeg)
 # libpostproc was previously packaged from a separate recipe
 PROVIDES = "ffmpeg libav libpostproc"