diff --git a/contrib/spoa_server/ps_python.c b/contrib/spoa_server/ps_python.c
index ec97f30f5..380d5b39f 100644
--- a/contrib/spoa_server/ps_python.c
+++ b/contrib/spoa_server/ps_python.c
@@ -106,7 +106,7 @@ static PyObject *ps_python_set_var_null(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_null(worker, name, name_len_i, scope)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -126,7 +126,7 @@ static PyObject *ps_python_set_var_boolean(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_bool(worker, name, name_len_i, scope, value)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -146,7 +146,7 @@ static PyObject *ps_python_set_var_int32(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_int32(worker, name, name_len_i, scope, value)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -166,7 +166,7 @@ static PyObject *ps_python_set_var_uint32(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_uint32(worker, name, name_len_i, scope, value)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -186,7 +186,7 @@ static PyObject *ps_python_set_var_int64(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_int64(worker, name, name_len_i, scope, value)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -206,7 +206,7 @@ static PyObject *ps_python_set_var_uint64(PyObject *self, PyObject *args)
 	if (name_len_i == -1)
 		return NULL;
 	if (!set_var_uint64(worker, name, name_len_i, scope, value)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -241,7 +241,7 @@ static PyObject *ps_python_set_var_ipv4(PyObject *self, PyObject *args)
 	}
 	memcpy(&ip, PY_STRING_AS_STRING(value), PY_STRING_GET_SIZE(value));
 	if (!set_var_ipv4(worker, name, name_len_i, scope, &ip)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	/* Once we set the IP value in the worker, we don't need it anymore... */
@@ -278,7 +278,7 @@ static PyObject *ps_python_set_var_ipv6(PyObject *self, PyObject *args)
 	}
 	memcpy(&ip, PY_STRING_AS_STRING(value), PY_STRING_GET_SIZE(value));
 	if (!set_var_ipv6(worker, name, name_len_i, scope, &ip)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	/* Once we set the IP value in the worker, we don't need it anymore... */
@@ -303,7 +303,7 @@ static PyObject *ps_python_set_var_str(PyObject *self, PyObject *args)
 	if (name_len_i == -1 || value_len_i == -1)
 		return NULL;
 	if (!set_var_string(worker, name, name_len_i, scope, value, value_len_i)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;
@@ -326,7 +326,7 @@ static PyObject *ps_python_set_var_bin(PyObject *self, PyObject *args)
 	if (name_len_i == -1 || value_len_i == -1)
 		return NULL;
 	if (!set_var_bin(worker, name, name_len_i, scope, value, value_len_i)) {
-		PyErr_SetString(spoa_error, "No space left available");
+		PyErr_SetString(spoa_error, "No more memory space available");
 		return NULL;
 	}
 	Py_RETURN_NONE;