diff --git a/test/testother.cpp b/test/testother.cpp
index ad03ca0b7d6..6baa74cb926 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -102,6 +102,7 @@ class TestOther : public TestFixture {
         TEST_CASE(varScope34);
         TEST_CASE(varScope35);
         TEST_CASE(varScope36);      // #12158
+        TEST_CASE(varScope37);      // #12158
 
         TEST_CASE(oldStylePointerCast);
         TEST_CASE(invalidPointerCast);
@@ -1675,9 +1676,24 @@ class TestOther : public TestFixture {
               "    if ( value > 100U ) { }\n"
               "    else if( value > 50U ) { }\n"
               "    else{\n"
-              "         for( i = 0U; i < 5U; i++ ) {}"
-              "    }"
-              "}", nullptr, false);
+              "         for( i = 0U; i < 5U; i++ ) {}\n"
+              "    }\n"
+              "}\n", nullptr, false);
+        ASSERT_EQUALS("[test.cpp:2]: (style) The scope of the variable 'i' can be reduced.\n", errout.str());
+    }
+
+    void varScope37() {
+        // #12158
+        check("void f( uint32_t value ) {\n"
+              "    uint32_t i = 0U;\n"
+              "    if ( value > 100U ) { }\n"
+              "    else {\n"
+              "        if( value > 50U ) { }\n"
+              "        else{\n"
+              "            for( i = 0U; i < 5U; i++ ) {}\n"
+              "        }\n"
+              "    }\n"
+              "}\n", nullptr, false);
         ASSERT_EQUALS("[test.cpp:2]: (style) The scope of the variable 'i' can be reduced.\n", errout.str());
     }