diff --git a/apple/OSXPPC/RetroArch_OSX.xcodeproj/project.pbxproj b/apple/OSXPPC/RetroArch_OSX.xcodeproj/project.pbxproj
index 7b21a97870..d809fe391f 100644
--- a/apple/OSXPPC/RetroArch_OSX.xcodeproj/project.pbxproj
+++ b/apple/OSXPPC/RetroArch_OSX.xcodeproj/project.pbxproj
@@ -235,7 +235,7 @@
 					"$(SRCROOT)/..",
 				);
 				ONLY_ACTIVE_ARCH_PRE_XCODE_3_1 = "$(NATIVE_ARCH)";
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.4u.sdk";
 			};
 			name = Debug;
 		};
@@ -248,7 +248,7 @@
 					"$(SRCROOT)/../../libretro-common/include",
 					"$(SRCROOT)/..",
 				);
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.4u.sdk";
 			};
 			name = Release;
 		};