diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 3cd33d2e527..7679274f461 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -1613,14 +1613,13 @@ void CheckOther::checkConstPointer()
             const int indirect = p->isArray() ? p->dimensions().size() : 1;
             if (isVariableChanged(start, p->scope()->bodyEnd, indirect, p->declarationId(), false, mSettings, mTokenizer->isCPP()))
                 continue;
-            if (p->isArgument() && p->typeStartToken() && p->typeStartToken()->isSimplifiedTypedef() && !(Token::simpleMatch(p->typeEndToken(), "*") && !p->typeEndToken()->isSimplifiedTypedef()))
-                continue;
-            if (p->typeStartToken() && !p->typeStartToken()->originalName().empty())
+            if (p->typeStartToken() && p->typeStartToken()->isSimplifiedTypedef() && !(Token::simpleMatch(p->typeEndToken(), "*") && !p->typeEndToken()->isSimplifiedTypedef()))
                 continue;
             constVariableError(p, p->isArgument() ? p->scope()->function : nullptr);
         }
     }
 }
+
 void CheckOther::constVariableError(const Variable *var, const Function *function)
 {
     if (!var) {
diff --git a/lib/tokenlist.cpp b/lib/tokenlist.cpp
index 1d27dc810db..1e90b9406ff 100644
--- a/lib/tokenlist.cpp
+++ b/lib/tokenlist.cpp
@@ -1926,20 +1926,24 @@ void TokenList::simplifyPlatformTypes()
             Token *typeToken;
             if (platformtype->mConstPtr) {
                 tok->str("const");
-                tok->insertToken("*");
-                tok->insertToken(platformtype->mType);
+                tok->isSimplifiedTypedef(true);
+                tok->insertToken("*")->isSimplifiedTypedef(true);
+                tok->insertToken(platformtype->mType)->isSimplifiedTypedef(true);
                 typeToken = tok;
             } else if (platformtype->mPointer) {
                 tok->str(platformtype->mType);
+                tok->isSimplifiedTypedef(true);
                 typeToken = tok;
-                tok->insertToken("*");
+                tok->insertToken("*")->isSimplifiedTypedef(true);
             } else if (platformtype->mPtrPtr) {
                 tok->str(platformtype->mType);
+                tok->isSimplifiedTypedef(true);
                 typeToken = tok;
-                tok->insertToken("*");
-                tok->insertToken("*");
+                tok->insertToken("*")->isSimplifiedTypedef(true);
+                tok->insertToken("*")->isSimplifiedTypedef(true);
             } else {
                 tok->str(platformtype->mType);
+                tok->isSimplifiedTypedef(true);
                 typeToken = tok;
             }
             if (platformtype->mSigned)
diff --git a/test/testother.cpp b/test/testother.cpp
index 42001470811..62173127cf3 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -3837,6 +3837,13 @@ class TestOther : public TestFixture {
               "    qsort(p, nmemb, size, cmp);\n"
               "}\n");
         ASSERT_EQUALS("", errout.str());
+
+        check("void g(bool *r, std::size_t *b) {\n" // #12129
+              "    if (*r && *b >= 5) {}\n"
+              "}\n");
+        ASSERT_EQUALS("[test.cpp:1]: (style) Parameter 'r' can be declared as pointer to const\n"
+                      "[test.cpp:1]: (style) Parameter 'b' can be declared as pointer to const\n",
+                      errout.str());
     }
 
     void switchRedundantAssignmentTest() {