diff --git a/makefile b/makefile
index 0e4d9f7..862f0ab 100644
--- a/makefile
+++ b/makefile
@@ -9,7 +9,7 @@ LIBNAME  := libchess
 
 SRC := $(wildcard $(SRCDIR)/*.c)
 OBJ := $(patsubst $(SRCDIR)/%.c,$(BUILDDIR)/%.o,$(SRC))
-LIB := $(BUILDDIR)/$(LIBNAME).$(SOEXT)
+LIB := $(BUILDDIR)/$(LIBNAME).so
 
 .PHONY: all clean clean-pycache test