diff --git a/src/language/code_generator.cmake b/src/language/code_generator.cmake
index 6c88f005a..2bec77765 100644
--- a/src/language/code_generator.cmake
+++ b/src/language/code_generator.cmake
@@ -176,7 +176,7 @@ set(AST_GENERATED_SOURCES
     ${PROJECT_BINARY_DIR}/src/ast/write_ion_var.hpp
 )
 
-if(NMODL_ENABLE_PYTHON)
+if(NMODL_ENABLE_PYTHON_BINDINGS)
 set(PYBIND_GENERATED_SOURCES
     ${PROJECT_BINARY_DIR}/src/pybind/pyast.cpp
     ${PROJECT_BINARY_DIR}/src/pybind/pyast.hpp