diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07f3106..0b70049 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,6 +63,7 @@ INCLUDE_DIRECTORIES(
     ${CMAKE_CURRENT_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/include
     ${CMAKE_BINARY_DIR}/include
+    ${PAM_INCLUDE_DIR}
 )
 
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