diff --git a/configs/targets/sparc-softmmu.mak b/configs/targets/sparc-softmmu.mak
index 454eb35499..a5d9200382 100644
--- a/configs/targets/sparc-softmmu.mak
+++ b/configs/targets/sparc-softmmu.mak
@@ -1,2 +1,3 @@
 TARGET_ARCH=sparc
 TARGET_BIG_ENDIAN=y
+TARGET_SUPPORTS_MTTCG=y
diff --git a/configs/targets/sparc64-softmmu.mak b/configs/targets/sparc64-softmmu.mak
index d3f8a3b710..36ca64ec41 100644
--- a/configs/targets/sparc64-softmmu.mak
+++ b/configs/targets/sparc64-softmmu.mak
@@ -1,3 +1,4 @@
 TARGET_ARCH=sparc64
 TARGET_BASE_ARCH=sparc
 TARGET_BIG_ENDIAN=y
+TARGET_SUPPORTS_MTTCG=y