diff --git a/src/sdl/i_main.c b/src/sdl/i_main.c
index 66659ea6a..9b951429f 100644
--- a/src/sdl/i_main.c
+++ b/src/sdl/i_main.c
@@ -154,7 +154,7 @@ int main(int argc, char **argv)
 			// Check for >= Version 6.1 (>= Win7)
 			DWORD winversion = GetVersion();
 			DWORD major = (DWORD)(LOBYTE(LOWORD(winversion)));
-    		DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
+			DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
 			if (major > 6 || (major == 6 && minor > 0))
 				LoadLibraryA("exchndl.dll");
 		}
diff --git a/src/sdl12/i_main.c b/src/sdl12/i_main.c
index 8737c5755..6494564d4 100644
--- a/src/sdl12/i_main.c
+++ b/src/sdl12/i_main.c
@@ -223,7 +223,7 @@ int main(int argc, char **argv)
 			// Check for >= Version 6.1 (>= Win7)
 			DWORD winversion = GetVersion();
 			DWORD major = (DWORD)(LOBYTE(LOWORD(winversion)));
-    		DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
+			DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
 			if (major > 6 || (major == 6 && minor > 0))
 				LoadLibraryA("exchndl.dll");
 		}
diff --git a/src/win32/win_main.c b/src/win32/win_main.c
index 1e5c3fc46..3da9e89ae 100644
--- a/src/win32/win_main.c
+++ b/src/win32/win_main.c
@@ -670,7 +670,7 @@ int WINAPI WinMain (HINSTANCE hInstance,
 			// Check for >= Version 6.1 (Win7)
 			DWORD winversion = GetVersion();
 			DWORD major = (DWORD)(LOBYTE(LOWORD(winversion)));
-    		DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
+			DWORD minor = (DWORD)(HIBYTE(LOWORD(winversion)));
 			if (major > 6 || (major == 6 && minor > 0))
 				LoadLibraryA("exchndl.dll");
 #if 0