diff --git a/Libraries/speex/speex.xcodeproj/project.pbxproj b/Libraries/speex/speex.xcodeproj/project.pbxproj
index e6d101bb4..9ae21a91b 100644
--- a/Libraries/speex/speex.xcodeproj/project.pbxproj
+++ b/Libraries/speex/speex.xcodeproj/project.pbxproj
@@ -619,6 +619,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				EXECUTABLE_PREFIX = lib;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = NO;
 				"HEADER_SEARCH_PATHS[arch=*]" = "$(SRCROOT)/include";
 				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
 				ONLY_ACTIVE_ARCH = NO;
@@ -633,6 +634,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				EXECUTABLE_PREFIX = lib;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = NO;
 				"HEADER_SEARCH_PATHS[arch=*]" = "$(SRCROOT)/include";
 				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
 				ONLY_ACTIVE_ARCH = NO;