diff --git a/core/SConscript.firmware b/core/SConscript.firmware
index ca5f276a9d..f606c3c512 100644
--- a/core/SConscript.firmware
+++ b/core/SConscript.firmware
@@ -111,6 +111,10 @@ if EVERYTHING:
         'vendor/trezor-crypto/monero/serialize.c',
         'vendor/trezor-crypto/monero/xmr.c',
     ]
+if FEATURE_FLAGS["ZCASH_SHIELDED"]:
+    CPPDEFINES_MOD += [
+        "ZCASH_SHIELDED",
+    ]
 
 # libsecp256k1-zkp
 if FEATURE_FLAGS["SECP256K1_ZKP"]:
diff --git a/core/SConscript.unix b/core/SConscript.unix
index 35037761c7..6e26a684bb 100644
--- a/core/SConscript.unix
+++ b/core/SConscript.unix
@@ -110,6 +110,10 @@ if EVERYTHING:
         'vendor/trezor-crypto/monero/serialize.c',
         'vendor/trezor-crypto/monero/xmr.c',
     ]
+if FEATURE_FLAGS["ZCASH_SHIELDED"]:
+    CPPDEFINES_MOD += [
+        "ZCASH_SHIELDED",
+    ]
 
 # libsecp256k1-zkp
 if FEATURE_FLAGS["SECP256K1_ZKP"]: