diff --git a/cryptest.nmake b/cryptest.nmake
index 01857b0e..69d28c41 100644
--- a/cryptest.nmake
+++ b/cryptest.nmake
@@ -122,7 +122,7 @@ LDFLAGS = $(LDFLAGS) /MACHINE:X64
 LDLIBS = $(LDLIBS) ws2_32.lib kernel32.lib
 !ENDIF
 
-!IF "$(PLATFORM)" == "ARM"
+!IF "$(PLATFORM)" == "ARM" || "$(PLATFORM)" == "arm"
 # CXXFLAGS = $(CXXFLAGS) /D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE=1 /DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP
 CXXFLAGS = $(CXXFLAGS) /DWINAPI_FAMILY=WINAPI_FAMILY_PHONE_APP
 # CXXFLAGS = $(CXXFLAGS) /DWINAPI_FAMILY=WINAPI_FAMILY_APP