diff --git a/plat/imx/imx8m/imx8mp/platform.mk b/plat/imx/imx8m/imx8mp/platform.mk
index 45f2972..e8669e5 100644
--- a/plat/imx/imx8m/imx8mp/platform.mk
+++ b/plat/imx/imx8m/imx8mp/platform.mk
@@ -129,13 +129,13 @@
 $(ROT_KEY): | $(BUILD_PLAT)
 	@echo "  OPENSSL $@"
 	@if [ ! -f $(ROT_KEY) ]; then \
-		openssl genrsa 2048 > $@ 2>/dev/null; \
+		${OPENSSL_BIN_PATH}/openssl genrsa 2048 > $@ 2>/dev/null; \
 	fi
 
 $(ROTPK_HASH): $(ROT_KEY)
 	@echo "  OPENSSL $@"
-	$(Q)openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
-	openssl dgst -sha256 -binary > $@ 2>/dev/null
+	$(Q)${OPENSSL_BIN_PATH}/openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
+	${OPENSSL_BIN_PATH}/openssl dgst -sha256 -binary > $@ 2>/dev/null
 endif
 
 USE_COHERENT_MEM	:=	1