diff --git a/build/simulink_codegen/writegitinfoheader.m b/build/simulink_codegen/writegitinfoheader.m
index d5cf61a022303242e32aade3aabd6f4fcd83ea3d..6420739fafcdb097fc093714a676509c461a87e2 100644
--- a/build/simulink_codegen/writegitinfoheader.m
+++ b/build/simulink_codegen/writegitinfoheader.m
@@ -95,8 +95,8 @@ function writegitinfoheader()
    fprintf(fd, '#ifndef SCDALGOINFO\n');
    fprintf(fd, '#define SCDALGOINFO\n');
    fprintf(fd, ['#define ALGOINFOSTR "' descstr(1:end-1) '"\n']);
-   fprintf(fd, ['#define ALGOINFOLEN ' num2str(numel(result)) '\n']);
-   fprintf(fd, ['#define ALGOINFOMAXLEN ' num2str(descstr) '\n']);
+   fprintf(fd, ['#define ALGOINFOLEN ' num2str(numel(descstr)) '\n']);
+   fprintf(fd, ['#define ALGOINFOMAXLEN ' num2str(maxdesclen) '\n']);
    fprintf(fd, '\n');
    fprintf(fd, 'struct algoinfo {\n');
    fprintf(fd, ' char text[ALGOINFOMAXLEN];\n');