--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,7 +107,7 @@
 set(GR_PKG_DOC_DIR      ${GR_DOC_DIR}/${CMAKE_PROJECT_NAME})
 set(GR_PKG_CONF_DIR     ${GR_CONF_DIR}/${CMAKE_PROJECT_NAME}/conf.d)
 set(GR_PKG_LIBEXEC_DIR  ${GR_LIBEXEC_DIR}/${CMAKE_PROJECT_NAME})
-set(GRC_BLOCKS_DIR      ${GR_PKG_DATA_DIR}/grc/blocks)
+set(GRC_BLOCKS_DIR      ${GR_DATA_DIR}/gnuradio/grc/blocks)
 
 ########################################################################
 # Find gnuradio build dependencies
