diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16eb97673..f29869484 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -621,7 +621,7 @@ if(${USE_PYTHON})
       OUTPUT
         "${CMAKE_CURRENT_BINARY_DIR}/build/pytimestamp"
       COMMAND
-      env LDFLAGS="-L${CMAKE_CURRENT_BINARY_DIR}" "${Python3_EXECUTABLE}" ${SETUP_PY} build &&
+        env LDFLAGS=\"-Wl,-soname,_notcurses.abi3.so.1 -L${CMAKE_CURRENT_BINARY_DIR}\" "${Python3_EXECUTABLE}" ${SETUP_PY} build &&
         "${Python3_EXECUTABLE}" ${SETUP_PY} egg_info
       DEPENDS
         ${PYSRC} ${SETUP_PY} ${SETUP_CFG} notcurses