diff --git a/test/testplatform.cpp b/test/testplatform.cpp
index 515240c1af04..815ee6d08c5c 100644
--- a/test/testplatform.cpp
+++ b/test/testplatform.cpp
@@ -395,7 +395,7 @@ class TestPlatform : public TestFixture {
         ASSERT_EQUALS(Platform::Type::Native, platform.type);
     }
 
-    void limitsDefines() {
+    void limitsDefines() const {
         cppcheck::Platform platform;
         platform.set(cppcheck::Platform::Unix64);
         const std::string defs = "CHAR_BIT=8;SCHAR_MIN=-128;SCHAR_MAX=127;UCHAR_MAX=255;CHAR_MIN=0;CHAR_MAX=127;SHRT_MIN=-32768;SHRT_MAX=32767;USHRT_MAX=65535;INT_MIN=-2147483648;INT_MAX=2147483647;UINT_MAX=4294967295;LONG_MIN=-9223372036854775808;LONG_MAX=9223372036854775807;ULONG_MAX=9223372036854775807";
@@ -408,7 +408,7 @@ class TestPlatform : public TestFixture {
         ASSERT_EQUALS(defs_c99, platform.getLimitsDefines(Standards::cppstd_t::CPPLatest));
     }
 
-    void charMinMax() {
+    void charMinMax() const {
         cppcheck::Platform platform;
         ASSERT_EQUALS(255, platform.unsignedCharMax());
         ASSERT_EQUALS(127, platform.signedCharMax());