diff --git a/autobuild.xml b/autobuild.xml
index 8238adc9a4766fc720992aeede3fdd3dd9ba9a02..17fce69471d74129a1abc46b8102bbe0148b6973 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -2125,8 +2125,6 @@
                 <array>
                   <string>-configuration Release</string>
                   <string>-project SecondLife.xcodeproj</string>
-                  <string>-DENABLE_SIGNING:BOOL=YES</string>
-                  <string>-DSIGNING_IDENTITY:STRING="Developer ID Application: Linden Research, Inc."</string>
                 </array>
               </map>
               <key>configure</key>
diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 00baf626d20a86f37ffcbf0ec902f675eda24156..6896d050fb026fea383b8baacd65e93be3547200 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -206,6 +206,8 @@ if (DARWIN)
   # NOTE: it's critical to have both CXX_FLAGS and C_FLAGS covered.
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O0 ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
   set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O0 ${CMAKE_C_FLAGS_RELWITHDEBINFO}")
+  set(ENABLE_SIGNING TRUE)
+  set(SIGNING_IDENTITY "Developer ID Application: Linden Research, Inc.")
 endif (DARWIN)