diff --git a/Support/HockeySDK.xcodeproj/project.pbxproj b/Support/HockeySDK.xcodeproj/project.pbxproj
index d258775bf5..94f27928f0 100644
--- a/Support/HockeySDK.xcodeproj/project.pbxproj
+++ b/Support/HockeySDK.xcodeproj/project.pbxproj
@@ -409,6 +409,7 @@
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
+					HOCKEYLIB_STATIC_LIBRARY,
 					"DEBUG=1",
 					"$(inherited)",
 				);
@@ -432,6 +433,7 @@
 				);
 				COPY_PHASE_STRIP = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_PREPROCESSOR_DEFINITIONS = HOCKEYLIB_STATIC_LIBRARY;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;