diff --git a/xcode/drape/drape.xcodeproj/project.pbxproj b/xcode/drape/drape.xcodeproj/project.pbxproj
index 06a648c599..17708e575b 100644
--- a/xcode/drape/drape.xcodeproj/project.pbxproj
+++ b/xcode/drape/drape.xcodeproj/project.pbxproj
@@ -745,6 +745,10 @@
 			baseConfigurationReference = 34AF87CA1DBE4F4900E5E7DC /* common-release.xcconfig */;
 			buildSettings = {
 				GCC_OPTIMIZATION_LEVEL = 2;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"U_DISABLE_RENAMING=1",
+				);
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(OMIM_ROOT)/3party/glm/",
@@ -760,6 +764,10 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 34AF87CA1DBE4F4900E5E7DC /* common-release.xcconfig */;
 			buildSettings = {
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"U_DISABLE_RENAMING=1",
+				);
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(OMIM_ROOT)/3party/glm/",
diff --git a/xcode/drape_frontend/drape_frontend.xcodeproj/project.pbxproj b/xcode/drape_frontend/drape_frontend.xcodeproj/project.pbxproj
index 666cc546d0..50bd337c5b 100644
--- a/xcode/drape_frontend/drape_frontend.xcodeproj/project.pbxproj
+++ b/xcode/drape_frontend/drape_frontend.xcodeproj/project.pbxproj
@@ -1003,6 +1003,10 @@
 			baseConfigurationReference = 34AF87CC1DBE508400E5E7DC /* common-release.xcconfig */;
 			buildSettings = {
 				GCC_OPTIMIZATION_LEVEL = 2;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"U_DISABLE_RENAMING=1",
+				);
 				HEADER_SEARCH_PATHS = (
 					"$(OMIM_ROOT)",
 					"$(BOOST_ROOT)",
@@ -1018,6 +1022,10 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 34AF87CC1DBE508400E5E7DC /* common-release.xcconfig */;
 			buildSettings = {
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"U_DISABLE_RENAMING=1",
+				);
 				HEADER_SEARCH_PATHS = (
 					"$(OMIM_ROOT)",
 					"$(BOOST_ROOT)",