diff --git a/matlab/reports/@graph/graph.m b/matlab/reports/@graph/graph.m
index 541a34368cb2e18cb0ba061e54157551227c3793..cf2e0b41b5ca3a2f00a25958248f4accac232bc3 100644
--- a/matlab/reports/@graph/graph.m
+++ b/matlab/reports/@graph/graph.m
@@ -109,7 +109,7 @@ assert(isfloat(o.shadeOpacity) && length(o.shadeOpacity)==1 && ...
        o.shadeOpacity >= 0 && o.shadeOpacity <= 1, ...
        '@graph.graph: o.shadeOpacity must be a real in [0 1]');
 assert(isfloat(o.width), '@graph.graph: o.width must be a real number');
-assert(isfloat(o.height), '@graph.height: o.width must be a real number');
+assert(isfloat(o.height), '@graph.graph: o.height must be a real number');
 assert(isfloat(o.xTickLabelRotation), '@graph.graph: o.xTickLabelRotation must be a real number');
 
 valid_legend_locations = ...