diff --git a/build-mac/libetpan.xcodeproj/project.pbxproj b/build-mac/libetpan.xcodeproj/project.pbxproj
index 970069f..a9b0be4 100644
--- a/build-mac/libetpan.xcodeproj/project.pbxproj
+++ b/build-mac/libetpan.xcodeproj/project.pbxproj
@@ -2522,6 +2522,7 @@
 				);
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_CFLAGS = (
+					"$(inherited)",
 					"-DHAVE_CFNETWORK=1",
 					"-DHAVE_CONFIG_H=1",
 					"-DLIBETPAN_IOS_DISABLE_SSL=1",
@@ -2541,6 +2542,7 @@
 					"$(SRCROOT)/include",
 				);
 				OTHER_CFLAGS = (
+					"$(inherited)",
 					"-DHAVE_CFNETWORK=1",
 					"-DHAVE_CONFIG_H=1",
 					"-DLIBETPAN_IOS_DISABLE_SSL=1",