diff --git a/cmake/FindLibGeoIP.cmake b/cmake/FindLibGeoIP.cmake
index ef8529e2e3..618dba6463 100644
--- a/cmake/FindLibGeoIP.cmake
+++ b/cmake/FindLibGeoIP.cmake
@@ -21,8 +21,16 @@ find_path(LibGeoIP_ROOT_DIR
     NAMES include/GeoIPCity.h
 )
 
+if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    # the static version of the library is preferred on OS X for the
+    # purposes of making packages (libGeoIP doesn't ship w/ OS X)
+    set(libgeoip_names libGeoIp.a GeoIP)
+else ()
+    set(libgeoip_names GeoIP)
+endif ()
+
 find_library(LibGeoIP_LIBRARY
-    NAMES GeoIP
+    NAMES ${libgeoip_names}
     HINTS ${LibGeoIP_ROOT_DIR}/lib
 )
 
diff --git a/cmake/FindLibMagic.cmake b/cmake/FindLibMagic.cmake
index e96245e8c0..23cc7efe39 100644
--- a/cmake/FindLibMagic.cmake
+++ b/cmake/FindLibMagic.cmake
@@ -21,8 +21,16 @@ find_path(LibMagic_ROOT_DIR
     NAMES include/magic.h
 )
 
+if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    # the static version of the library is preferred on OS X for the
+    # purposes of making packages (libmagic doesn't ship w/ OS X)
+    set(libmagic_names libmagic.a magic)
+else ()
+    set(libmagic_names magic)
+endif ()
+
 find_library(LibMagic_LIBRARY
-    NAMES magic
+    NAMES ${libmagic_names}
     HINTS ${LibMagic_ROOT_DIR}/lib
 )