diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeInferenceVisitor.java b/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeInferenceVisitor.java
index adb31af58..dfa53470b 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeInferenceVisitor.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/typeinference/TypeInferenceVisitor.java
@@ -509,6 +509,12 @@ public final class TypeInferenceVisitor extends AbstractVisitor {
 	private boolean insertAssignCast(MethodNode mth, SSAVar var, ArgType castType) {
 		RegisterArg assignArg = var.getAssign();
 		InsnNode assignInsn = assignArg.getParentInsn();
+		if (assignInsn == null) {
+			return false;
+		}
+		if (assignInsn.getType() == InsnType.PHI) {
+			return false;
+		}
 		BlockNode assignBlock = BlockUtils.getBlockByInsn(mth, assignInsn);
 		if (assignBlock == null) {
 			return false;