diff --git a/legacy/ecore/Makefile.am b/legacy/ecore/Makefile.am
index 82548f3cba..6a4238f7e1 100644
--- a/legacy/ecore/Makefile.am
+++ b/legacy/ecore/Makefile.am
@@ -102,7 +102,7 @@ m4/ecore_check_options.m4 \
 m4/efl_doxygen.m4 \
 m4/efl_path_max.m4 \
 m4/efl_tests.m4 \
-m4/efl_threads.m4
+m4/efl_pthread.m4
 
 
 pkgconfigdir = $(libdir)/pkgconfig