diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile.target
index 8197c28..babd209 100644
--- a/tests/tcg/ppc64/Makefile.target
+++ b/tests/tcg/ppc64/Makefile.target
@@ -5,14 +5,14 @@
 VPATH += $(SRC_PATH)/tests/tcg/ppc64
 VPATH += $(SRC_PATH)/tests/tcg/ppc64le
 
-ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER8_VECTOR),)
+ifneq ($(CROSS_CC_HAS_POWER8_VECTOR),)
 PPC64_TESTS=bcdsub non_signalling_xscv
 endif
 $(PPC64_TESTS): CFLAGS += -mpower8-vector
 
 PPC64_TESTS += mtfsf
 
-ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+ifneq ($(CROSS_CC_HAS_POWER10),)
 PPC64_TESTS += byte_reverse sha512-vector
 endif
 byte_reverse: CFLAGS += -mcpu=power10