diff --git a/level_zero/core/test/unit_tests/sources/module/test_module_2.cpp b/level_zero/core/test/unit_tests/sources/module/test_module_2.cpp
index 550e42e8b6..5f61fd4d27 100644
--- a/level_zero/core/test/unit_tests/sources/module/test_module_2.cpp
+++ b/level_zero/core/test/unit_tests/sources/module/test_module_2.cpp
@@ -266,7 +266,7 @@ TEST_F(ModuleOnlineCompiled, GivenKernelThenCorrectAttributesAreReturned) {
     EXPECT_EQ(ZE_RESULT_SUCCESS, result);
     EXPECT_EQ(0u, indirectFlags);
 
-    const char attributeString[] = "work_group_size_hint(1, 1, 1)";
+    const char attributeString[] = "work_group_size_hint(1,1,1)";
     uint32_t strSize = 0;
 
     result = kernel->getSourceAttributes(&strSize, nullptr);
diff --git a/shared/source/device_binary_format/zebin_decoder.cpp b/shared/source/device_binary_format/zebin_decoder.cpp
index 24b01c1f5c..8b6b4f076d 100644
--- a/shared/source/device_binary_format/zebin_decoder.cpp
+++ b/shared/source/device_binary_format/zebin_decoder.cpp
@@ -1523,7 +1523,7 @@ std::string attributeToString(const int32_t &attribute) {
     return std::to_string(attribute);
 }
 std::string attributeToString(const std::array<int32_t, 3> &attribute) {
-    return std::to_string(attribute[0]) + ", " + std::to_string(attribute[1]) + ", " + std::to_string(attribute[2]);
+    return std::to_string(attribute[0]) + "," + std::to_string(attribute[1]) + "," + std::to_string(attribute[2]);
 }
 std::string attributeToString(ConstStringRef attribute) {
     return attribute.str();
diff --git a/shared/test/unit_test/device_binary_format/zebin_decoder_tests.cpp b/shared/test/unit_test/device_binary_format/zebin_decoder_tests.cpp
index a872a1955d..2fd511a3f9 100644
--- a/shared/test/unit_test/device_binary_format/zebin_decoder_tests.cpp
+++ b/shared/test/unit_test/device_binary_format/zebin_decoder_tests.cpp
@@ -1967,7 +1967,7 @@ kernels:
     EXPECT_TRUE(warnings.empty()) << warnings;
     EXPECT_TRUE(errors.empty()) << errors;
 
-    EXPECT_STREQ("new_user_hint(new_user_hint_value) intel_reqd_sub_group_size(16) intel_reqd_workgroup_walk_order(0, 1, 2) reqd_work_group_size(256, 2, 1) work_group_size_hint(256, 2, 1) vec_type_hint(uint)", programInfo.kernelInfos[0]->kernelDescriptor.kernelMetadata.kernelLanguageAttributes.c_str());
+    EXPECT_STREQ("new_user_hint(new_user_hint_value) intel_reqd_sub_group_size(16) intel_reqd_workgroup_walk_order(0,1,2) reqd_work_group_size(256,2,1) work_group_size_hint(256,2,1) vec_type_hint(uint)", programInfo.kernelInfos[0]->kernelDescriptor.kernelMetadata.kernelLanguageAttributes.c_str());
     EXPECT_EQ(16U, programInfo.kernelInfos[0]->kernelDescriptor.kernelMetadata.requiredSubGroupSize);
     EXPECT_FALSE(programInfo.kernelInfos[0]->kernelDescriptor.kernelAttributes.flags.isInvalid);
 }