diff --git a/dlls/winecrt0/exe_main.c b/dlls/winecrt0/exe_main.c
index ec8e6d5dbb3..89ffa7b7f16 100644
--- a/dlls/winecrt0/exe_main.c
+++ b/dlls/winecrt0/exe_main.c
@@ -27,7 +27,8 @@ int main( int argc, char *argv[] )
 {
     STARTUPINFOA info;
     char *cmdline = GetCommandLineA();
-    int bcount = 0, in_quotes = 0;
+    int bcount = 0;
+    BOOL in_quotes = FALSE;
 
     while (*cmdline)
     {
diff --git a/dlls/winecrt0/exe_wmain.c b/dlls/winecrt0/exe_wmain.c
index 0a4464fb735..ce685f81648 100644
--- a/dlls/winecrt0/exe_wmain.c
+++ b/dlls/winecrt0/exe_wmain.c
@@ -29,7 +29,8 @@ int wmain( int argc, WCHAR *argv[] )
 {
     STARTUPINFOW info;
     WCHAR *cmdline = GetCommandLineW();
-    int bcount = 0, in_quotes = 0;
+    int bcount = 0;
+    BOOL in_quotes = FALSE;
 
     while (*cmdline)
     {