diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index abdc0cfba..017bda918 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -9099,7 +9099,7 @@ void Tokenizer::simplifyDeclspec()
 void Tokenizer::simplifyAttribute()
 {
     for (Token *tok = list.front(); tok; tok = tok->next()) {
-        while (Token::simpleMatch(tok, "__attribute__ (") && tok->next()->link() && tok->next()->link()->next()) {
+        while (Token::Match(tok, "__attribute__|__attribute (") && tok->next()->link() && tok->next()->link()->next()) {
             if (Token::simpleMatch(tok->tokAt(2), "( constructor")) {
                 // prototype for constructor is: void func(void);
                 if (tok->next()->link()->next()->str() == "void") // __attribute__((constructor)) void func() {}
diff --git a/test/testtokenize.cpp b/test/testtokenize.cpp
index 9bd022fb0..87d857c6b 100644
--- a/test/testtokenize.cpp
+++ b/test/testtokenize.cpp
@@ -7079,6 +7079,11 @@ private:
         ASSERT_EQUALS("short array [ 3 ] ;", tokenizeAndStringify("short array[3] __attribute__ ((aligned));"));
         ASSERT_EQUALS("int x [ 2 ] ;", tokenizeAndStringify("int x[2] __attribute__ ((packed));"));
         ASSERT_EQUALS("int vecint ;", tokenizeAndStringify("int __attribute__((mode(SI))) __attribute__((vector_size (16))) vecint;"));
+
+        // alternate spelling #5328
+        ASSERT_EQUALS("short array [ 3 ] ;", tokenizeAndStringify("short array[3] __attribute ((aligned));"));
+        ASSERT_EQUALS("int x [ 2 ] ;", tokenizeAndStringify("int x[2] __attribute ((packed));"));
+        ASSERT_EQUALS("int vecint ;", tokenizeAndStringify("int __attribute((mode(SI))) __attribute((vector_size (16))) vecint;"));
     }
 
     void cpp0xtemplate1() {