diff --git a/script/tf-coverity/tf-cov-make b/script/tf-coverity/tf-cov-make
index d3d0533..41993b4 100755
--- a/script/tf-coverity/tf-cov-make
+++ b/script/tf-coverity/tf-cov-make
@@ -194,6 +194,9 @@
 # Architectural Feature Detection mechanism
 clean_build $fvp_common_flags FEATURE_DETECTION=1
 
+# RNG trap feature
+clean_build $fvp_common_flags ENABLE_FEAT_RNG=1 ENABLE_FEAT_RNG_TRAP=1
+
 #
 # Juno platform
 # We'll use the following flags for all Juno builds.