diff --git a/cmake/find-modules/FindEspeak.cmake b/cmake/find-modules/FindEspeak.cmake
index 34b54f6..978ba7e 100644
--- a/cmake/find-modules/FindEspeak.cmake
+++ b/cmake/find-modules/FindEspeak.cmake
@@ -10,7 +10,7 @@
 #
 # Espeak::Espeak      - Espeak library (old API)
 
-find_path(ESPEAK_INCLUDE_DIR NAMES speak_lib.h)
+find_path(ESPEAK_INCLUDE_DIR NAMES espeak/speak_lib.h)
 find_library(ESPEAK_LIBRARY NAMES espeak libespeak)
 
 include(FindPackageHandleStandardArgs)