diff --git a/codec/build/iOS/dec/demo/demo.xcodeproj/project.pbxproj b/codec/build/iOS/dec/demo/demo.xcodeproj/project.pbxproj
index 5d7ebc28..428f7c3e 100644
--- a/codec/build/iOS/dec/demo/demo.xcodeproj/project.pbxproj
+++ b/codec/build/iOS/dec/demo/demo.xcodeproj/project.pbxproj
@@ -398,6 +398,7 @@
 					APPLE_IOS,
 				);
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"\"$(SRCROOT)/../../../../api/svc\"",
 					"\"$(SRCROOT)/../../../../common/inc\"",
 				);
@@ -417,6 +418,7 @@
 				GCC_C_LANGUAGE_STANDARD = "compiler-default";
 				GCC_PREPROCESSOR_DEFINITIONS = APPLE_IOS;
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"\"$(SRCROOT)/../../../../api/svc\"",
 					"\"$(SRCROOT)/../../../../common/inc\"",
 				);
diff --git a/codec/build/iOS/dec/welsdec/welsdec.xcodeproj/project.pbxproj b/codec/build/iOS/dec/welsdec/welsdec.xcodeproj/project.pbxproj
index 537d5a2b..e4c33187 100644
--- a/codec/build/iOS/dec/welsdec/welsdec.xcodeproj/project.pbxproj
+++ b/codec/build/iOS/dec/welsdec/welsdec.xcodeproj/project.pbxproj
@@ -464,6 +464,7 @@
 				);
 				"GCC_PREPROCESSOR_DEFINITIONS[sdk=iphonesimulator*]" = APPLE_IOS;
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"$(SRCROOT)/../../../../common/inc",
 					"$(SRCROOT)/../../../../api/svc",
 					"$(SRCROOT)/../../../../common/arm",
@@ -499,6 +500,7 @@
 				);
 				"GCC_PREPROCESSOR_DEFINITIONS[sdk=iphonesimulator*]" = APPLE_IOS;
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"$(SRCROOT)/../../../../common/inc",
 					"$(SRCROOT)/../../../../api/svc",
 					"$(SRCROOT)/../../../../common/arm",
diff --git a/codec/build/iOS/enc/welsenc/welsenc.xcodeproj/project.pbxproj b/codec/build/iOS/enc/welsenc/welsenc.xcodeproj/project.pbxproj
index 776badf3..80e7cdbb 100644
--- a/codec/build/iOS/enc/welsenc/welsenc.xcodeproj/project.pbxproj
+++ b/codec/build/iOS/enc/welsenc/welsenc.xcodeproj/project.pbxproj
@@ -553,6 +553,7 @@
 				);
 				"GCC_PREPROCESSOR_DEFINITIONS[sdk=iphonesimulator*]" = APPLE_IOS;
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"$(SRCROOT)/../../../../common/inc",
 					"$(SRCROOT)/../../../../processing/interface",
 					"$(SRCROOT)/../../../../api/svc",
@@ -591,6 +592,7 @@
 				);
 				"GCC_PREPROCESSOR_DEFINITIONS[sdk=iphonesimulator*]" = APPLE_IOS;
 				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
 					"$(SRCROOT)/../../../../common/inc",
 					"$(SRCROOT)/../../../../processing/interface",
 					"$(SRCROOT)/../../../../api/svc",