diff --git a/radio/Interpolation.hpp b/radio/Interpolation.hpp
index 4ddaa48..4e7dfed 100644
--- a/radio/Interpolation.hpp
+++ b/radio/Interpolation.hpp
@@ -92,11 +92,13 @@ public:
 			}
 		}
 
+		Eigen::internal::set_is_malloc_allowed(true);
 		// Partial filter responses
 		for (i=0; i < m_M; i++)
 		{
 			m_h[i] = FirComplex::processReal(m_coeff.col(i));
 		}
+		Eigen::internal::set_is_malloc_allowed(false);
 
 		// Combine
 		return horner(mu);