diff --git a/conf/CMakeLists.txt b/conf/CMakeLists.txt
index a37a5804..6dd6a39f 100644
--- a/conf/CMakeLists.txt
+++ b/conf/CMakeLists.txt
@@ -17,8 +17,8 @@ configure_file(
     "${CMAKE_CURRENT_BINARY_DIR}/fuel${PROJECT_VERSION_MAJOR}.yaml" @ONLY)
 
 # Install the yaml configuration files in an unversioned location.
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/fuel${PROJECT_VERSION_MAJOR}.yaml DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}/gz/)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/fuel${PROJECT_VERSION_MAJOR}.yaml DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/gz/)
 
 # Install config.yaml
 install (FILES config.yaml DESTINATION
-  ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}/gz/${GZ_DESIGNATION}${PROJECT_VERSION_MAJOR}/)
+  ${CMAKE_INSTALL_DATAROOTDIR}/gz/${GZ_DESIGNATION}${PROJECT_VERSION_MAJOR}/)
diff --git a/src/cmd/CMakeLists.txt b/src/cmd/CMakeLists.txt
index 6c027466..833f2856 100644
--- a/src/cmd/CMakeLists.txt
+++ b/src/cmd/CMakeLists.txt
@@ -57,4 +57,4 @@ install(
   FILES
     ${CMAKE_CURRENT_BINARY_DIR}/fuel${PROJECT_VERSION_MAJOR}.bash_completion.sh
   DESTINATION
-    ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}/gz/gz${GZ_TOOLS_VER}.completion.d)
+    ${CMAKE_INSTALL_DATAROOTDIR}/gz/gz${GZ_TOOLS_VER}.completion.d)