diff --git a/package/cryptopp/cryptopp.mk b/package/cryptopp/cryptopp.mk
index 4353e35e0a..87d6fba237 100644
--- a/package/cryptopp/cryptopp.mk
+++ b/package/cryptopp/cryptopp.mk
@@ -47,6 +47,10 @@ ifneq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_4_9),y)
 CRYPTOPP_CXXFLAGS += -DCRYPTOPP_DISABLE_AVX2
 endif
 
+ifneq ($(BR2_POWERPC_CPU_HAS_ALTIVEC),y)
+CRYPTOPP_CXXFLAGS += -DCRYPTOPP_DISABLE_ALTIVEC
+endif
+
 ifneq ($(BR2_ARM_CPU_HAS_NEON),y)
 CRYPTOPP_CXXFLAGS += -DCRYPTOPP_DISABLE_ARM_NEON
 endif