diff --git a/src/libs/util/include/storm/string_compare.hpp b/src/libs/util/include/storm/string_compare.hpp
index 66d7ed29f..d7c97febf 100644
--- a/src/libs/util/include/storm/string_compare.hpp
+++ b/src/libs/util/include/storm/string_compare.hpp
@@ -48,8 +48,8 @@ bool iEquals(const Range1T &first, const Range2T &second, const size_t count)
     const auto first_end = std::end(first_normalized);
     const auto second_end = std::end(second_normalized);
 
-    const auto first_length = std::distance(first_begin, first_end) - 1;
-    const auto second_length = std::distance(first_begin, first_end) - 1;
+    const auto first_length = std::distance(first_begin, first_end);
+    const auto second_length = std::distance(second_begin, second_end);
     if (first_length < count || second_length < count)
     {
         if (first_length != second_length)
@@ -64,7 +64,7 @@ bool iEquals(const Range1T &first, const Range2T &second, const size_t count)
     }
     else
     {
-        return std::equal(first_begin, first_end, second_begin, second_end, comp);
+        return std::equal(first_begin, first_begin + count, second_begin, second_begin + count, comp);
     }
 }
 
diff --git a/src/libs/util/testsuite/string_compare.cpp b/src/libs/util/testsuite/string_compare.cpp
index ac3dca31a..2ba5b1976 100644
--- a/src/libs/util/testsuite/string_compare.cpp
+++ b/src/libs/util/testsuite/string_compare.cpp
@@ -58,6 +58,8 @@ TEST_CASE("Case-insensitive string comparison", "[utils]")
         SECTION("Compare only count number of character at most")
         {
             CHECK(iEquals(str_lowercase, str_long, 8));
+            CHECK(iEquals(str_long, str_lowercase, 8));
+            CHECK_FALSE(iEquals(".txt1", ".txt2", 5));
         }
     }