--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -228,7 +228,7 @@
 SET(LIBRARY_OUTPUT_PATH "${CMAKE_BINARY_DIR}/lib")
 
 SET(LIB_SUBDIR "lib")
-IF(RPM_BUILD AND CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|ppc64|ppc64p7|s390x|sparc64)")
+IF(RPM_BUILD AND CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|aarch64|ppc64|ppc64p7|s390x|sparc64)")
   SET(LIB_SUBDIR "lib64")
 ENDIF()