diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 2a302952..5fe6036e 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Mar  6 20:09:41 UTC 2023 - Andreas Schwab <schwab@suse.de>
+
+- Limit memory use on riscv64
+
 -------------------------------------------------------------------
 Sat Mar  4 16:03:22 UTC 2023 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index 7062ebe8..e2c1c33a 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -405,7 +405,7 @@ EOF
 # Done with env-variables.
 source ./.obsenv.sh
 
-%ifarch aarch64 %arm ppc64 ppc64le
+%ifarch aarch64 %arm ppc64 ppc64le riscv64
 %limit_build -m 2500
 %endif