diff --git a/libwebrtc/CMakeLists.txt b/libwebrtc/CMakeLists.txt
index 3bd06ef..663fb36 100644
--- a/libwebrtc/CMakeLists.txt
+++ b/libwebrtc/CMakeLists.txt
@@ -36,7 +36,8 @@ set_source_files_properties(${_OBJ_FILES} PROPERTIES
 
 set_target_properties(webrtc PROPERTIES
                       LINKER_LANGUAGE C
-                      LIBRARY_OUTPUT_DIRECTORY ${WEBRTC_OUTPUT_DIR})
+                      LIBRARY_OUTPUT_DIRECTORY ${WEBRTC_OUTPUT_DIR}
+                      PREFIX lib)
 
 #
 # Install headers