diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b8851b..6353184 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@
             ${headers})
 target_include_directories(
     double-conversion PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
     $<INSTALL_INTERFACE:include>)
 
 # pick a version #