diff --git a/libs/ardour/parameter_descriptor.cc b/libs/ardour/parameter_descriptor.cc
index 7ce6a5e07a..9fb6b89a0c 100644
--- a/libs/ardour/parameter_descriptor.cc
+++ b/libs/ardour/parameter_descriptor.cc
@@ -178,8 +178,8 @@ ParameterDescriptor::update_steps()
 			largestep = largestep / logf(30.0f);
 		} else if (integer_step) {
 			smallstep = 1.0;
-			step      = std::max(1.0, rint(step));
-			largestep = std::max(1.0, rint(largestep));
+			step      = std::max(1.f, rintf (step));
+			largestep = std::max(1.f, rintf (largestep));
 		}
 	}
 }