diff --git a/Source/lang.cpp b/Source/lang.cpp
index 79f1f94c..f77d743c 100644
--- a/Source/lang.cpp
+++ b/Source/lang.cpp
@@ -413,7 +413,7 @@ int CEXEBuild::GenerateLangTables() {
     TinyGrowBuf rec;
     for (j = 0; j < build_langstring_num; j++) {
       while (lst[j] < 0) {
-        for (int k = 0; k < rec.getlen() / sizeof(int); k++) {
+        for (int k = 0; (unsigned int)k < rec.getlen() / sizeof(int); k++) {
           if (((int*)rec.get())[k] == lst[j]) {
             const char *name = "(unnamed)";
             for (k = 0; k < l; k++) {
@@ -502,7 +502,7 @@ int CEXEBuild::GenerateLangTables() {
     TinyGrowBuf rec;
     for (j = 0; j < ubuild_langstring_num; j++) {
       while (lst[j] < 0) {
-        for (int k = 0; k < rec.getlen() / sizeof(int); k++) {
+        for (int k = 0; (unsigned int)k < rec.getlen() / sizeof(int); k++) {
           if (((int*)rec.get())[k] == lst[j]) {
             const char *name = "(unnamed)";
             for (k = 0; k < l; k++) {
diff --git a/Source/lang.h b/Source/lang.h
index 475dcddb..354d25a8 100644
--- a/Source/lang.h
+++ b/Source/lang.h
@@ -85,7 +85,7 @@ class LangStringList : public SortedStringListND<struct langstring>
 
     const char *offset2name(int name)
     {
-      if ((unsigned int)name > strings.getlen())
+      if ((unsigned int)name > (unsigned int)strings.getlen())
         return 0;
 
       return (const char*)strings.get() + name;
@@ -163,7 +163,7 @@ class StringsArray
       if (idx < 0)
         return 0;
 
-      if (idx >= (offsets.getlen() / sizeof(int)))
+      if (idx >= (int)(offsets.getlen() / sizeof(int)))
         resize(idx+1);
 
       int old = ((int*)offsets.get())[idx];