diff --git a/tools/winegcc/utils.c b/tools/winegcc/utils.c
index 1af91e9b23e..c5b46a457fc 100644
--- a/tools/winegcc/utils.c
+++ b/tools/winegcc/utils.c
@@ -118,16 +118,16 @@ void strarray_add(strarray* arr, const char* str)
     arr->base[arr->size++] = str;
 }
 
-void strarray_del(strarray* arr, int i)
+void strarray_del(strarray* arr, unsigned int i)
 {
-    if (i < 0 || i >= arr->size) error("Invalid index i=%d", i);
+    if (i >= arr->size) error("Invalid index i=%d", i);
     memmove(&arr->base[i], &arr->base[i + 1], (arr->size - i - 1) * sizeof(arr->base[0]));
     arr->size--;
 }
 
 void strarray_addall(strarray* arr, const strarray* from)
 {
-    int i;
+    unsigned int i;
 
     for (i = 0; i < from->size; i++)
 	strarray_add(arr, from->base[i]);
@@ -136,7 +136,7 @@ void strarray_addall(strarray* arr, const strarray* from)
 strarray* strarray_dup(const strarray* arr)
 {
     strarray* dup = strarray_alloc();
-    int i;
+    unsigned int i;
 
     for (i = 0; i < arr->size; i++)
 	strarray_add(dup, arr->base[i]);
@@ -160,7 +160,7 @@ strarray* strarray_fromstring(const char* str, const char* delim)
 char* strarray_tostring(const strarray* arr, const char* sep)
 {
     char *str, *newstr;
-    int i;
+    unsigned int i;
 
     str = strmake("%s", arr->base[0]);
     for (i = 1; i < arr->size; i++)
@@ -277,7 +277,7 @@ static file_type guess_lib_type(const char* dir, const char* library, char** fil
 
 file_type get_lib_type(strarray* path, const char* library, char** file)
 {
-    int i;
+    unsigned int i;
 
     for (i = 0; i < path->size; i++)
     {
@@ -289,7 +289,8 @@ file_type get_lib_type(strarray* path, const char* library, char** file)
 
 void spawn(const strarray* prefix, const strarray* args, int ignore_errors)
 {
-    int i, status;
+    unsigned int i;
+    int status;
     strarray* arr = strarray_dup(args);
     const char** argv;
     char* prog = 0;
diff --git a/tools/winegcc/utils.h b/tools/winegcc/utils.h
index 02e995ac0d6..4c8fec31173 100644
--- a/tools/winegcc/utils.h
+++ b/tools/winegcc/utils.h
@@ -48,7 +48,7 @@ strarray* strarray_alloc(void);
 strarray* strarray_dup(const strarray* arr);
 void strarray_free(strarray* arr);
 void strarray_add(strarray* arr, const char* str);
-void strarray_del(strarray* arr, int i);
+void strarray_del(strarray* arr, unsigned int i);
 void strarray_addall(strarray* arr, const strarray* from);
 strarray* strarray_fromstring(const char* str, const char* delim);
 char* strarray_tostring(const strarray* arr, const char* sep);
diff --git a/tools/winegcc/winegcc.c b/tools/winegcc/winegcc.c
index f1aa87e466d..f1a7bb0acde 100644
--- a/tools/winegcc/winegcc.c
+++ b/tools/winegcc/winegcc.c
@@ -170,7 +170,7 @@ struct options
 
 static void clean_temp_files(void)
 {
-    int i;
+    unsigned int i;
 
     if (keep_generated) return;
 
@@ -239,7 +239,8 @@ static const strarray* get_translator(enum processor processor)
 static void compile(struct options* opts, const char* lang)
 {
     strarray* comp_args = strarray_alloc();
-    int j, gcc_defs = 0;
+    unsigned int j;
+    int gcc_defs = 0;
 
     switch(opts->processor)
     {
@@ -434,7 +435,7 @@ static void build(struct options* opts)
     const char *output_name, *spec_file, *lang;
     const char* winebuild = getenv("WINEBUILD");
     int generate_app_loader = 1;
-    int j;
+    unsigned int j;
 
     /* NOTE: for the files array we'll use the following convention:
      *    -axxx:  xxx is an archive (.a)
@@ -719,7 +720,7 @@ static int is_linker_arg(const char* arg)
 	"-static", "-static-libgcc", "-shared", "-shared-libgcc", "-symbolic",
 	"-framework"
     };
-    int j;
+    unsigned int j;
 
     switch (arg[1]) 
     {
@@ -769,7 +770,7 @@ static int is_mingw_arg(const char* arg)
     {
         "-mno-cygwin", "-mwindows", "-mconsole", "-mthreads", "-municode"
     };
-    int j;
+    unsigned int j;
 
     for (j = 0; j < sizeof(mingw_switches)/sizeof(mingw_switches[0]); j++)
 	if (strcmp(mingw_switches[j], arg) == 0) return 1;