diff --git a/internal/gocore/dwarf.go b/internal/gocore/dwarf.go
index 513a5f3..7267270 100644
--- a/internal/gocore/dwarf.go
+++ b/internal/gocore/dwarf.go
@@ -413,6 +413,10 @@
 		if f == nil {
 			continue
 		}
+		if f.Class != dwarf.ClassExprLoc {
+			// Globals are all encoded with this class.
+			continue
+		}
 		loc := f.Val.([]byte)
 		if len(loc) == 0 || loc[0] != _DW_OP_addr {
 			continue
@@ -498,6 +502,13 @@
 		if aloc == nil {
 			continue
 		}
+		if aloc.Class != dwarf.ClassExprLoc {
+			// TODO: handle ClassLocListPtr here.
+			// As of go 1.11, locals are encoded this way.
+			// Until we fix this TODO, viewcore will not be able to
+			// show local variables.
+			continue
+		}
 		// Interpret locations of the form
 		//    DW_OP_call_frame_cfa
 		//    DW_OP_consts <off>