diff --git a/scripts/Makefile.frag b/scripts/Makefile.frag
index 480f4bc4ce4..3d476a7608e 100644
--- a/scripts/Makefile.frag
+++ b/scripts/Makefile.frag
@@ -32,7 +32,6 @@ install-build:
 	$(INSTALL_DATA) $(BUILD_FILES) $(INSTALL_ROOT)$(phpbuilddir))
 
 HEADER_DIRS = \
-	/ \
 	Zend/ \
 	TSRM/ \
 	include/ \