diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 229c75cb6..fd1223c0b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1399,7 +1399,7 @@ if (APPLE)
     add_custom_command(TARGET clementine
       POST_BUILD
       COMMAND
-      codesign -s "${APPLE_DEVELOPER_ID}" -fv ${PROJECT_BINARY_DIR}/clementine.app
+      codesign -s "'${APPLE_DEVELOPER_ID}'" -fv ${PROJECT_BINARY_DIR}/clementine.app
     )
   endif()