diff --git a/bob/math/main.cpp b/bob/math/main.cpp
index 7e271f4fe338bff888bbd247b1311bfeb0f69c0b..4f70e351c17edf0a8e537a44af1b5479eb92aecc 100644
--- a/bob/math/main.cpp
+++ b/bob/math/main.cpp
@@ -10,6 +10,7 @@
 #endif
 #include <bob.blitz/capi.h>
 #include <bob.blitz/cleanup.h>
+#include <bob.core/api.h>
 
 #include <bob.extension/documentation.h>
 
@@ -525,11 +526,8 @@ static PyObject* create_module (void) {
         (PyObject *)&PyBobMathLpInteriorPointLongstep_Type) < 0) return 0;
 
   /* imports dependencies */
-  if (import_bob_blitz() < 0) {
-    PyErr_Print();
-    PyErr_Format(PyExc_ImportError, "cannot import `%s'", BOB_EXT_MODULE_NAME);
-    return 0;
-  }
+  if (import_bob_blitz() < 0) return 0;
+  if (import_bob_core_logging() < 0) return 0;
 
   return Py_BuildValue("O", m);
 }
diff --git a/bob/math/version.cpp b/bob/math/version.cpp
index ac0d00e2a0b81cffb638d3ccfc1bfd8d67dfd7bb..537bae6420d6ac38b9c52486c2cc2a6625638b1d 100644
--- a/bob/math/version.cpp
+++ b/bob/math/version.cpp
@@ -8,11 +8,8 @@
 #include <bob.math/config.h>
 
 #define BOB_IMPORT_VERSION
-#ifdef NO_IMPORT_ARRAY
-#undef NO_IMPORT_ARRAY
-#endif
-#include <bob.blitz/capi.h>
-#include <bob.core/api.h>
+#include <bob.blitz/config.h>
+#include <bob.core/config.h>
 
 static PyObject* build_version_dictionary() {
 
@@ -20,7 +17,7 @@ static PyObject* build_version_dictionary() {
   if (!retval) return 0;
   auto retval_ = make_safe(retval);
 
-  if (!dict_set(retval, "Blitz++", BZ_VERSION)) return 0;
+  if (!dict_steal(retval, "Blitz++", blitz_version())) return 0;
   if (!dict_steal(retval, "Boost", boost_version())) return 0;
   if (!dict_steal(retval, "Compiler", compiler_version())) return 0;
   if (!dict_steal(retval, "Python", python_version())) return 0;
@@ -68,9 +65,6 @@ static PyObject* create_module (void) {
   if (!externals) return 0;
   if (PyModule_AddObject(m, "externals", externals) < 0) return 0;
 
-  if (import_bob_blitz() < 0) return 0;
-  if (import_bob_core_logging() < 0) return 0;
-
   return Py_BuildValue("O", m);
 }