diff --git a/CommonConfig.cmake b/CommonConfig.cmake
index 4b9ff8b..b70ad71 100755
--- a/CommonConfig.cmake
+++ b/CommonConfig.cmake
@@ -169,6 +169,9 @@
 	if (MCUBOOT_NO_SWAP)
 		set(LINK_TO_BOTH_MEMORY_REGION ON)
 	endif()
+	if (MCUBOOT_NO_SWAP AND MCUBOOT_RAM_LOADING)
+		message (FATAL_ERROR "Bootloader: MCUBOOT_RAM_LOADING and MCUBOOT_NO_SWAP are not supported together")
+	endif()
 else()
 	if (MCUBOOT_NO_SWAP)
 		message (FATAL_ERROR "Bootloader build is turned off, not possible to specify bootloader behavior")