diff --git a/cmake/Q7SCrossCompileConfig.cmake b/cmake/Q7SCrossCompileConfig.cmake
index 57f59cbd..d4d05f4e 100644
--- a/cmake/Q7SCrossCompileConfig.cmake
+++ b/cmake/Q7SCrossCompileConfig.cmake
@@ -1,3 +1,6 @@
+if(DEFINED ENV{Q7S_SYSROOT})
+	set(ENV{Q7S_ROOTFS} $ENV{Q7S_SYSROOT})
+endif()
 # CROSS_COMPILE also needs to be set accordingly or passed to the CMake command
 if(NOT DEFINED ENV{Q7S_ROOTFS})
     # Sysroot has not been cached yet and was not set in environment either
@@ -7,7 +10,7 @@ if(NOT DEFINED ENV{Q7S_ROOTFS})
         )
     endif()
 else()
-	set(SYSROOT_PATH "$ENV{Q7S_SYSROOT}" CACHE PATH "Q7S root filesystem path")
+	set(SYSROOT_PATH "$ENV{Q7S_ROOTFS}" CACHE PATH "Q7S root filesystem path")
 endif()
 
 if(NOT DEFINED ENV{CROSS_COMPILE})