diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 9a2cfb1..e0bbe4c 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -41,7 +41,7 @@ list(APPEND TEST_SRC_FILES
 list(APPEND CMAKE_MODULE_PATH ${CPP_UTILITIES_MODULE_DIRS})
 if (CPP_UTILITIES_SOURCE_DIR)
     list(APPEND PUBLIC_INCLUDE_DIRS $<BUILD_INTERFACE:${CPP_UTILITIES_SOURCE_DIR}/..>
-        $<INSTALL_INTERFACE:${CPP_UTILITIES_INCLUDE_DIRS}>)
+                $<INSTALL_INTERFACE:${CPP_UTILITIES_INCLUDE_DIRS}>)
 else ()
     list(APPEND PUBLIC_INCLUDE_DIRS "${CPP_UTILITIES_INCLUDE_DIRS}")
 endif ()