diff --git a/CMakeLists.txt b/CMakeLists.txt
index 94af738..480464a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,8 +8,12 @@ enable_testing()
 set(JSON_INCLUDE_UTILS OFF CACHE BOOL "Enable JSON Utils" FORCE)
 set(BUILD_LISTENERS ON CACHE BOOL "Builds oRatio listeners" FORCE)
 
-add_subdirectory(extern/riddle)
-add_subdirectory(extern/semitone)
+option(CHECK_INCONSISTENCIES "Check inconsistencies at each step" OFF)
+option(ENABLE_API "oRatio API" OFF)
+option(BUILD_EXECUTABLE "Build oRatio executable" ON)
+if(BUILD_EXECUTABLE)
+    set(ENABLE_API ON CACHE BOOL "oRatio API" FORCE)
+endif()
 
 set(TEMPORAL_NETWORK_TYPES LRA DL)
 set(TEMPORAL_NETWORK_TYPE LRA CACHE STRING "Temporal network type")
@@ -29,9 +33,8 @@ if(${HEURISTIC_TYPE_INDEX} EQUAL -1)
 endif()
 message(STATUS "Heuristic type: ${HEURISTIC_TYPE}")
 
-option(CHECK_INCONSISTENCIES "Check inconsistencies at each step" OFF)
-option(ENABLE_API "oRatio API" OFF)
-option(BUILD_EXECUTABLE "Build oRatio executable" ON)
+add_subdirectory(extern/riddle)
+add_subdirectory(extern/semitone)
 
 add_library(oRatioLib src/solver.cpp src/graph.cpp src/flaw.cpp src/resolver.cpp src/smart_type.cpp src/flaws/atom_flaw.cpp src/flaws/bool_flaw.cpp src/flaws/disj_flaw.cpp src/flaws/disjunction_flaw.cpp src/flaws/enum_flaw.cpp src/types/agent.cpp src/types/state_variable.cpp src/types/consumable_resource.cpp src/types/reusable_resource.cpp $<$<BOOL:${ENABLE_API}>:${CMAKE_CURRENT_SOURCE_DIR}/src/solver_api.cpp>)
 add_dependencies(oRatioLib RiDDLe SeMiTONE)
@@ -74,7 +77,6 @@ endif()
 
 message(STATUS "Build oRatio executable: ${BUILD_EXECUTABLE}")
 if(BUILD_EXECUTABLE)
-    set(ENABLE_API ON CACHE BOOL "oRatio API" FORCE)
     add_executable(oRatio src/main.cpp src/solver_api.cpp)
     add_dependencies(oRatio oRatioLib)
     target_link_libraries(oRatio PRIVATE oRatioLib)
diff --git a/extern/semitone b/extern/semitone
index 601b524..5c89832 160000
--- a/extern/semitone
+++ b/extern/semitone
@@ -1 +1 @@
-Subproject commit 601b52484b62d855d283ffb987e1e6e34ef80c2b
+Subproject commit 5c8983297e7b6b095e4e8675892fbc978c07f28a
diff --git a/src/types/reusable_resource.cpp b/src/types/reusable_resource.cpp
index 3408c4e..39f0313 100644
--- a/src/types/reusable_resource.cpp
+++ b/src/types/reusable_resource.cpp
@@ -262,7 +262,10 @@ namespace ratio
 
         for (const auto &[rr, atms] : rr_instances)
         {
-            json::json tl{{"id", get_id(*rr)}, {"type", REUSABLE_RESOURCE_TYPE_NAME}, {"name", get_solver().guess_name(*rr)}};
+            json::json tl{{"id", get_id(*rr)}, {"type", REUSABLE_RESOURCE_TYPE_NAME}};
+#ifdef COMPUTE_NAMES
+            tl["name"] = get_solver().guess_name(*rr);
+#endif
 
             const auto c_capacity = get_solver().arithmetic_value(*std::static_pointer_cast<riddle::arith_item>(rr->get(REUSABLE_RESOURCE_CAPACITY_NAME)));
             tl[REUSABLE_RESOURCE_CAPACITY_NAME] = to_json(c_capacity);