diff --git a/debian/rules b/debian/rules
index 53d59baf31..ddd6ca3ffd 100755
--- a/debian/rules
+++ b/debian/rules
@@ -10,8 +10,7 @@
 unexport SUDO_USER
 
 ifneq (,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
-  NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_B
-UILD_OPTIONS))))
+  NJOBS := -j $(subst parallel=,,$(filter parallel=%,$(subst $(COMMA), ,$(DEB_BUILD_OPTIONS))))
 endif
 
 UPSTREAM_RUST_VERSION := \