diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7c63f22..e6e4a155 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -377,7 +377,7 @@ if(BUILD_MAN)
   add_custom_command(
     OUTPUT ${CMAKE_BINARY_DIR}/man/gmic.1
     DEPENDS gmic
-    COMMAND LD_LIBRARY_PATH=${GMIC_BINARIES_PATH} ${GMIC_BINARIES_PATH}/gmic -v - ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic raw:${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic,uchar -__help man 2> ${CMAKE_BINARY_DIR}/man/gmic.1
+    COMMAND LD_LIBRARY_PATH=${GMIC_BINARIES_PATH} ${GMIC_BINARIES_PATH}/gmic -v - ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic raw:${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic,uchar -__help man > ${CMAKE_BINARY_DIR}/man/gmic.1
   )
   add_custom_target(man ALL DEPENDS ${CMAKE_BINARY_DIR}/man/gmic.1)
   install(FILES ${CMAKE_BINARY_DIR}/man/gmic.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1/)
@@ -388,9 +388,10 @@ if(BUILD_BASH_COMPLETION)
   add_custom_command(
     OUTPUT ${CMAKE_BINARY_DIR}/resources/gmic_bashcompletion.sh
     DEPENDS gmic
-    COMMAND LD_LIBRARY_PATH=${GMIC_BINARIES_PATH} ${GMIC_BINARIES_PATH}/gmic -v - ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic raw:${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic,uchar -document_gmic bash 2> ${CMAKE_BINARY_DIR}/resources/gmic_bashcompletion.sh
+    COMMAND LD_LIBRARY_PATH=${GMIC_BINARIES_PATH} ${GMIC_BINARIES_PATH}/gmic -v - ${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic raw:${CMAKE_SOURCE_DIR}/src/gmic_stdlib.gmic,uchar -document_gmic bash > ${CMAKE_BINARY_DIR}/resources/gmic_bashcompletion.sh
   )
   add_custom_target(bashcompletion ALL DEPENDS ${CMAKE_BINARY_DIR}/resources/gmic_bashcompletion.sh)
+  install(FILES ${CMAKE_BINARY_DIR}/resources/gmic_bashcompletion.sh RENAME gmic DESTINATION ${CMAKE_INSTALL_DATADIR}/bash-completion/completions)
 endif()
 
 include(CMakePackageConfigHelpers)