diff --git a/src/Type/Php/StrSplitFunctionReturnTypeExtension.php b/src/Type/Php/StrSplitFunctionReturnTypeExtension.php
index 0157f68db2..192fd5733c 100644
--- a/src/Type/Php/StrSplitFunctionReturnTypeExtension.php
+++ b/src/Type/Php/StrSplitFunctionReturnTypeExtension.php
@@ -6,6 +6,7 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Reflection\FunctionReflection;
 use PHPStan\Reflection\ParametersAcceptorSelector;
+use PHPStan\Type\Accessory\NonEmptyArrayType;
 use PHPStan\Type\ArrayType;
 use PHPStan\Type\Constant\ConstantArrayType;
 use PHPStan\Type\Constant\ConstantBooleanType;
@@ -15,6 +16,7 @@
 use PHPStan\Type\IntegerType;
 use PHPStan\Type\StringType;
 use PHPStan\Type\Type;
+use PHPStan\Type\TypeCombinator;
 use PHPStan\Type\TypeUtils;
 
 final class StrSplitFunctionReturnTypeExtension implements DynamicFunctionReturnTypeExtension
@@ -89,7 +91,10 @@ public function getTypeFromFunctionCall(FunctionReflection $functionReflection,
 
 		$stringType = $scope->getType($functionCall->args[0]->value);
 		if (!$stringType instanceof ConstantStringType) {
-			return new ArrayType(new IntegerType(), new StringType());
+			return TypeCombinator::intersect(
+				new ArrayType(new IntegerType(), new StringType()),
+				new NonEmptyArrayType()
+			);
 		}
 		$stringValue = $stringType->getValue();
 
diff --git a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
index 27983a2c6a..e676106e23 100644
--- a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
+++ b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
@@ -5864,7 +5864,7 @@ public function dataFunctions(): array
 				'$strSplitConstantStringWithoutDefinedSplitLength',
 			],
 			[
-				'array<int, string>',
+				'array<int, string>&nonEmpty',
 				'$strSplitStringWithoutDefinedSplitLength',
 			],
 			[
@@ -5884,7 +5884,7 @@ public function dataFunctions(): array
 				'$strSplitConstantStringWithInvalidSplitLengthType',
 			],
 			[
-				'array<int, string>',
+				'array<int, string>&nonEmpty',
 				'$strSplitConstantStringWithVariableStringAndConstantSplitLength',
 			],
 			[
@@ -9658,7 +9658,7 @@ public function dataPhp74Functions(): array
 				'$mbStrSplitConstantStringWithoutDefinedSplitLength',
 			],
 			[
-				'array<int, string>',
+				'array<int, string>&nonEmpty',
 				'$mbStrSplitStringWithoutDefinedSplitLength',
 			],
 			[
@@ -9678,7 +9678,7 @@ public function dataPhp74Functions(): array
 				'$mbStrSplitConstantStringWithInvalidSplitLengthType',
 			],
 			[
-				'array<int, string>',
+				'array<int, string>&nonEmpty',
 				'$mbStrSplitConstantStringWithVariableStringAndConstantSplitLength',
 			],
 			[
@@ -9734,7 +9734,7 @@ public function dataPhp74Functions(): array
 				'$mbStrSplitConstantStringWithInvalidSplitLengthTypeAndVariableEncoding',
 			],
 			[
-				'array<int, string>',
+				'array<int, string>&nonEmpty',
 				'$mbStrSplitConstantStringWithVariableStringAndConstantSplitLengthAndValidEncoding',
 			],
 			[