diff --git a/simplecpp.cpp b/simplecpp.cpp
index fc145849..fe3b29af 100644
--- a/simplecpp.cpp
+++ b/simplecpp.cpp
@@ -3349,20 +3349,20 @@ void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenL
     std::map<std::string, std::size_t> sizeOfType(rawtokens.sizeOfType);
     sizeOfType.insert(std::make_pair("char", sizeof(char)));
     sizeOfType.insert(std::make_pair("short", sizeof(short)));
-    sizeOfType.insert(std::make_pair("short int", sizeOfType["short"]));
+    sizeOfType.insert(std::make_pair("short int", sizeof(short)));
     sizeOfType.insert(std::make_pair("int", sizeof(int)));
     sizeOfType.insert(std::make_pair("long", sizeof(long)));
-    sizeOfType.insert(std::make_pair("long int", sizeOfType["long"]));
+    sizeOfType.insert(std::make_pair("long int", sizeof(long)));
     sizeOfType.insert(std::make_pair("long long", sizeof(long long)));
     sizeOfType.insert(std::make_pair("float", sizeof(float)));
     sizeOfType.insert(std::make_pair("double", sizeof(double)));
     sizeOfType.insert(std::make_pair("long double", sizeof(long double)));
     sizeOfType.insert(std::make_pair("char *", sizeof(char *)));
     sizeOfType.insert(std::make_pair("short *", sizeof(short *)));
-    sizeOfType.insert(std::make_pair("short int *", sizeOfType["short *"]));
+    sizeOfType.insert(std::make_pair("short int *", sizeof(short *)));
     sizeOfType.insert(std::make_pair("int *", sizeof(int *)));
     sizeOfType.insert(std::make_pair("long *", sizeof(long *)));
-    sizeOfType.insert(std::make_pair("long int *", sizeOfType["long *"]));
+    sizeOfType.insert(std::make_pair("long int *", sizeof(long *)));
     sizeOfType.insert(std::make_pair("long long *", sizeof(long long *)));
     sizeOfType.insert(std::make_pair("float *", sizeof(float *)));
     sizeOfType.insert(std::make_pair("double *", sizeof(double *)));