diff --git a/Makefile.common b/Makefile.common
index bf078b88a8..6c09fb62ec 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1257,7 +1257,7 @@ ifeq ($(HAVE_D3D8), 1)
    OBJ += gfx/drivers_renderchain/d3d8_renderchain.o
 endif
 
-ifeq $(HAVE_D3D_COMMON), 1)
+ifeq ($(HAVE_D3D_COMMON), 1)
 	DEFINES += -DHAVE_D3D
    OBJ += gfx/drivers/d3d.o \
           gfx/common/d3d_common.o \