diff --git a/CMakeLists.txt b/CMakeLists.txt
index c41758ab..177fb8da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ set(ORTP_MINOR_VERSION ${PROJECT_VERSION_MINOR})
 set(ORTP_MICRO_VERSION ${PROJECT_VERSION_PATCH})
 set(ORTP_VERSION ${PROJECT_VERSION})
 set(ORTP_SO_VERSION "14") # incremented on September 17, 2019
-set(ORTP_DOC_VERSION "${ORTP_VERSION_MAJOR}.${ORTP_VERSION_MINOR}")
+set(ORTP_DOC_VERSION "${ORTP_MAJOR_VERSION}.${ORTP_MINOR_VERSION}")
 
 
 option(ENABLE_SHARED "Build shared library." YES)
@@ -182,7 +182,7 @@ if(ENABLE_DOC)
 		)
 		add_custom_target(ortp-html-doc ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/doc/html/index.html")
 		install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/doc/html"
-			DESTINATION "${CMAKE_INSTALL_DATADIR}/doc/ortp-${ORTP_VERSION}")
+			DESTINATION "${CMAKE_INSTALL_DATADIR}/doc/ortp-${ORTP_DOC_VERSION}")
 	endif()
 endif()