diff --git a/spirv-tools.spec b/spirv-tools.spec
index f163c20..676c07d 100644
--- a/spirv-tools.spec
+++ b/spirv-tools.spec
@@ -52,7 +52,7 @@ Development files for %{name}
         -DCMAKE_INSTALL_LIBDIR=%{_lib} \
         -DSPIRV-Headers_SOURCE_DIR=%{_prefix} \
         -DPYTHON_EXECUTABLE=%{__python3} \
-	-DSPIRV_TOOLS_BUILD_STATIC=OFF \
+        -DSPIRV_TOOLS_BUILD_STATIC=OFF \
         -GNinja
 %cmake3_build