diff --git a/PMP_Multilinear.h b/PMP_Multilinear.h
index 9d24e730..e3513521 100644
--- a/PMP_Multilinear.h
+++ b/PMP_Multilinear.h
@@ -1418,7 +1418,7 @@ class PMP_Multilinear_Hasher
 	uint32_t hiProduct = c_ctr.HighPart * prevConstTerm.HighPart + midProduct.HighPart;
 
 	constTerm.QuadPart += lowProduct.QuadPart;
-	ctr += hiProduct + ( constTerm.QuadPart < lowProduct.QuadPart );
+	ctr += hiProduct + ((constTerm.QuadPart < lowProduct.QuadPart) ? 1 : 0);
 
 /*	for ( uint32_t i=0; i<PMPML_CHUNK_SIZE; i+=8 )
 	{