diff --git a/target/linux/generic/config-2.6.39 b/target/linux/generic/config-2.6.39
index 6b1441600..ff33e3c8e 100644
--- a/target/linux/generic/config-2.6.39
+++ b/target/linux/generic/config-2.6.39
@@ -3140,3 +3140,4 @@ CONFIG_ZLIB_INFLATE=y
 CONFIG_ZONE_DMA=y
 CONFIG_ZONE_DMA_FLAG=1
 # CONFIG_ZRAM is not set
+# CONFIG_SIGMA is not set