diff --git a/Modules/Internal/CPack/CPackRPM.cmake b/Modules/Internal/CPack/CPackRPM.cmake
index c1d687a370..61a708240c 100644
--- a/Modules/Internal/CPack/CPackRPM.cmake
+++ b/Modules/Internal/CPack/CPackRPM.cmake
@@ -1039,19 +1039,18 @@ function(cpack_rpm_generate_package)
     endif()
     if(CPACK_RPM_COMPRESSION_TYPE STREQUAL "lzma")
       set(CPACK_RPM_COMPRESSION_TYPE_TMP "%define _binary_payload w9.lzdio")
-    endif()
-    if(CPACK_RPM_COMPRESSION_TYPE STREQUAL "xz")
+    elseif(CPACK_RPM_COMPRESSION_TYPE STREQUAL "xz")
       if(CPACK_THREADS GREATER "0")
         set(CPACK_RPM_COMPRESSION_TYPE_TMP "%define _binary_payload w7T${CPACK_THREADS}.xzdio")
       else()
         set(CPACK_RPM_COMPRESSION_TYPE_TMP "%define _binary_payload w7T.xzdio")
       endif()
-    endif()
-    if(CPACK_RPM_COMPRESSION_TYPE STREQUAL "bzip2")
+    elseif(CPACK_RPM_COMPRESSION_TYPE STREQUAL "bzip2")
       set(CPACK_RPM_COMPRESSION_TYPE_TMP "%define _binary_payload w9.bzdio")
-    endif()
-    if(CPACK_RPM_COMPRESSION_TYPE STREQUAL "gzip")
+    elseif(CPACK_RPM_COMPRESSION_TYPE STREQUAL "gzip")
       set(CPACK_RPM_COMPRESSION_TYPE_TMP "%define _binary_payload w9.gzdio")
+    else()
+      message(FATAL_ERROR "Specified CPACK_RPM_COMPRESSION_TYPE value is not supported: ${CPACK_RPM_COMPRESSION_TYPE}")
     endif()
   else()
     set(CPACK_RPM_COMPRESSION_TYPE_TMP "")