diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 1bda4579c6..cd4adc4d61 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -22,7 +22,7 @@
   PLATFORM_NAME                  = Ovmf
   PLATFORM_GUID                  = 5a9e7754-d81b-49ea-85ad-69eaa7b1539b
   PLATFORM_VERSION               = 0.1
-  DSC_ SPECIFICATION             = 0x00010005
+  DSC_SPECIFICATION              = 0x00010005
   OUTPUT_DIRECTORY               = Build/OvmfIa32
   SUPPORTED_ARCHITECTURES        = IA32
   BUILD_TARGETS                  = DEBUG|RELEASE
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index a4790b083a..2dbeb78f88 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -22,7 +22,7 @@
   PLATFORM_NAME                  = Ovmf
   PLATFORM_GUID                  = 5a9e7754-d81b-49ea-85ad-69eaa7b1539b
   PLATFORM_VERSION               = 0.1
-  DSC_ SPECIFICATION             = 0x00010005
+  DSC_SPECIFICATION              = 0x00010005
   OUTPUT_DIRECTORY               = Build/Ovmf3264
   SUPPORTED_ARCHITECTURES        = IA32|X64
   BUILD_TARGETS                  = DEBUG|RELEASE
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 4cd9f413a5..4d968f6917 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -22,7 +22,7 @@
   PLATFORM_NAME                  = Ovmf
   PLATFORM_GUID                  = 5a9e7754-d81b-49ea-85ad-69eaa7b1539b
   PLATFORM_VERSION               = 0.1
-  DSC_ SPECIFICATION             = 0x00010005
+  DSC_SPECIFICATION              = 0x00010005
   OUTPUT_DIRECTORY               = Build/OvmfX64
   SUPPORTED_ARCHITECTURES        = X64
   BUILD_TARGETS                  = DEBUG|RELEASE