diff --git a/src/components/gradient_waveforms/constant_gradient_blocks.jl b/src/components/gradient_waveforms/constant_gradient_blocks.jl
index 65ac57b56e3ab39a1a47002948bada1f8f905972..f48ed5b1f2c1c1a964ac8d15d112d65bd4e52594 100644
--- a/src/components/gradient_waveforms/constant_gradient_blocks.jl
+++ b/src/components/gradient_waveforms/constant_gradient_blocks.jl
@@ -19,7 +19,7 @@ struct ConstantGradient1D <: ConstantGradient{1}
     duration :: VariableType
 end
 
-struct ConstantGradient3D <: ConstanGradient{3}
+struct ConstantGradient3D <: ConstantGradient{3}
     gradient_strength :: SVector{3, <:VariableType}
     duration :: VariableType
 end