diff --git a/libkml.spec b/libkml.spec
index e5dcbd4..d2e4b65 100644
--- a/libkml.spec
+++ b/libkml.spec
@@ -100,7 +100,7 @@ cp -a %{SOURCE1} %{__cmake_builddir}
   -DBUILD_TESTING=ON \
   -DBUILD_EXAMPLES=ON
 # Parallel build broken
-%global _smp_mflags 1
+%global _smp_mflags -j1
 %cmake_build