diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
index 0c98c146044..88340c54c78 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/CallAndReferenceGenerator.kt
@@ -45,6 +45,7 @@ import org.jetbrains.kotlin.ir.expressions.impl.*
 import org.jetbrains.kotlin.ir.symbols.*
 import org.jetbrains.kotlin.ir.types.*
 import org.jetbrains.kotlin.ir.util.dump
+import org.jetbrains.kotlin.ir.util.isPrimitiveArray
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.calls.NewCommonSuperTypeCalculator.commonSuperType
 import org.jetbrains.kotlin.types.Variance
@@ -1075,7 +1076,7 @@ class CallAndReferenceGenerator(
             if (irVarargElement !is IrSpreadElement &&
                 argument.arguments[i] is FirNamedArgumentExpression &&
                 irVarargElement is IrExpression &&
-                irVarargElement.type.isArray()
+                (irVarargElement.type.isArray() || irVarargElement.type.isPrimitiveArray())
             ) {
                 elements[i] = IrSpreadElementImpl(irVarargElement.startOffset, irVarargElement.endOffset, irVarargElement)
             }
diff --git a/compiler/testData/codegen/boxWasmJsInterop/vararg.kt b/compiler/testData/codegen/boxWasmJsInterop/vararg.kt
index 2d84644348a..fab33473e27 100644
--- a/compiler/testData/codegen/boxWasmJsInterop/vararg.kt
+++ b/compiler/testData/codegen/boxWasmJsInterop/vararg.kt
@@ -1,6 +1,3 @@
-// IGNORE_BACKEND_K2: JS_IR, JS_IR_ES6
-// IGNORE_BACKEND_K2: WASM
-
 // Partial copy of js/js.translator/testData/box/native/vararg.kt
 // With some additions for concrete number types, strings and function references
 
diff --git a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.ir.txt b/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.ir.txt
deleted file mode 100644
index 3bafb15ae99..00000000000
--- a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.ir.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-FILE fqName:<root> fileName:/IntArrayAsVararg.kt
-  FUN name:main visibility:public modality:FINAL <> () returnType:kotlin.Unit
-    BLOCK_BODY
-      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
-          CONST Int type=kotlin.Int value=1
-          CONST Int type=kotlin.Int value=2
-      CALL 'public final fun consumeVarargs (vararg arr: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-        arr: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
-          CALL 'public final fun intArrayOf (vararg elements: kotlin.Int): kotlin.IntArray declared in kotlin' type=kotlin.IntArray origin=null
-            elements: VARARG type=kotlin.IntArray varargElementType=kotlin.Int
-              CONST Int type=kotlin.Int value=41
-              CONST Int type=kotlin.Int value=42
-  FUN name:consumeVarargs visibility:public modality:FINAL <> (arr:kotlin.IntArray) returnType:kotlin.Unit
-    VALUE_PARAMETER name:arr index:0 type:kotlin.IntArray varargElementType:kotlin.Int [vararg]
-    BLOCK_BODY
diff --git a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.kt.txt b/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.kt.txt
deleted file mode 100644
index dfdaeeefb80..00000000000
--- a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.fir.kt.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-fun main() {
-  consumeVarargs(arr = [1, 2])
-  consumeVarargs(arr = [intArrayOf(elements = [41, 42])])
-}
-
-fun consumeVarargs(vararg arr: Int) {
-}
diff --git a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt b/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt
index b13e522ee2e..2ffd7690312 100644
--- a/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt
+++ b/compiler/testData/ir/irText/firProblems/IntArrayAsVararg.kt
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // WITH_STDLIB
 // ISSUE: KT-60312
 // SKIP_SIGNATURE_DUMP
diff --git a/js/js.translator/testData/box/native/vararg.kt b/js/js.translator/testData/box/native/vararg.kt
index 5dce2ab4693..fb5114a724c 100644
--- a/js/js.translator/testData/box/native/vararg.kt
+++ b/js/js.translator/testData/box/native/vararg.kt
@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: WASM
-// IGNORE_BACKEND_K2: JS_IR, JS_IR_ES6
 // EXPECTED_REACHABLE_NODES: 1314
 package foo