diff --git a/src/epics/util/lib/GaussianNoiseGenerator.pm b/src/epics/util/lib/GaussianNoiseGenerator.pm
index 325e703d99661ef0609f4c77e500da33aa2567f6..ba425632fbaa0ca67e472f2c533a80e83ad48164 100644
--- a/src/epics/util/lib/GaussianNoiseGenerator.pm
+++ b/src/epics/util/lib/GaussianNoiseGenerator.pm
@@ -77,7 +77,7 @@ sub frontEndInitCode {
     my $calcExp  =  "\L$::xpartName[$i] = 0;\n";
     if( $::gaussNoiseGeneratorSeed eq "none")
     {
-        $calcExp .= "ligo_get_random_bytes(gauss_gen_prng_state, sizeof(gauss_gen_prng_state)/sizeof(gauss_gen_prng_state[0]));\n";
+        $calcExp .= "ligo_get_random_bytes(gauss_gen_prng_state, sizeof(gauss_gen_prng_state));\n";
     }
     else
     {