diff --git a/genapi/src/elem_type.rs b/genapi/src/elem_type.rs
index 83a252b..306b7d3 100644
--- a/genapi/src/elem_type.rs
+++ b/genapi/src/elem_type.rs
@@ -312,7 +312,7 @@ impl RegPIndex {
         let base = self.p_index.value(device, store, cx)?;
         if let Some(offset) = &self.offset {
             let offset: i64 = offset.value(device, store, cx)?;
-            Ok(base + offset)
+            Ok(base * offset)
         } else {
             Ok(base)
         }
diff --git a/genapi/src/parser/integer.rs b/genapi/src/parser/integer.rs
index 8425a54..8f6f347 100644
--- a/genapi/src/parser/integer.rs
+++ b/genapi/src/parser/integer.rs
@@ -45,7 +45,7 @@ impl Parse for IntegerNode {
         let inc = node
             .parse_if(INC, node_builder, value_builder, cache_builder)
             .or_else(|| node.parse_if(P_INC, node_builder, value_builder, cache_builder))
-            .unwrap_or(ImmOrPNode::Imm(10));
+            .unwrap_or(ImmOrPNode::Imm(1));
         let unit = node.parse_if(UNIT, node_builder, value_builder, cache_builder);
         let representation: IntegerRepresentation = node
             .parse_if(REPRESENTATION, node_builder, value_builder, cache_builder)